Бèргерова таблица или таблица на Бергер е схема на подреждане на двойките за всеки кръг в няколко спорта и игри, включително шахмат , в състезания по кръгова система , където играчи или отбори се състезават в последователни кръгове, така че всички да се срещнат веднъж помежду си.
Таблицата е именувана през 20 век на Йохан Бергер , австрийски шахматен теоретик от началото на 19 век , създателят на тази система.
В определени игри или спортове определен състезател играе у дома или получава бели фигури (като в шаха) в първия кръг. Във втория кръг играе като гост или с черни фигури и така се редуват до края. Таблицата е предназначена да балансира броя на домакинските мачове (или игри с бели) – от една страна и редуването на мачове от друга страна. Така в турнир по шахмат, съставен от 10 играчи се играят 9 кръга и половината от участниците ще играят пет партии с бели и 4 с черни, докато другата половина от участниците ще играят 4 партии с бели и пет с черни. Освен това всеки играч ще има само две последователни игри с един и същи цвят. Ако има нечетен брой играчи, се добавя фиктивен играч, наречен „чао“, и определеният опонент за него не играе.
За да се състави Бергерова таблица, на всеки участник (отбор или състезател, за индивидуални спортове) се присвоява номер от 1 до общия брой на участниците. Това може да стане чрез жребий, по рейтинг или по друг показател. След това по таблицата се получават състезателни двойки за еднокръговата система на състезание, докато за двукръговата система се играе втората половина на състезанието по същия график, но със смяна на домакинството или фигурите. Теоретично няма числено ограничение на участниците за възможността за разработване на график в рамките на състезанието. Публикувани са Бергерови таблици за 3 до 30 състезатели.
Йохан Бергер, създателят на таблиците Ако има n играчи и n-1 кръга, номерират се играчите от 1 до n (обикновено чрез теглене на жребий) и кръговете от 1 до n-1.
Двама играчи i и j се срещат в кръг k, ако:
Случай, в който i≠n и j≠n
k=i+j-1 ако i+j-1 < n
Избор на цветове/домакинство
Ако i+j e нечетно, i ще има белите/домакин, ако i<j.
Случай, в който j=n
k = 2×i-1 ако 2i ≤ n и j имa черните/гост;
Играе се мач домакин и гост – в два кръга по една среща при разменено домакинство или цвят на фигурите.
Кръг
1
1-4
2-3
2
4-3
1-2
3
2-4
3-1
Кръг
1
1-6
2-5
3-4
2
6-4
5-3
1-2
3
2-6
3-1
4-5
4
6-5
1-4
2-3
5
3-6
4-2
5-1
Кръг
1
1-8
2-7
3-6
4-5
2
8-5
6-4
7-3
1-2
3
2-8
3-1
4-7
5-6
4
8-6
7-5
1-4
2-3
5
3-8
4-2
5-1
6-7
6
8-7
1-6
2-5
3-4
7
4-8
5-3
6-2
7-1
Кръг
1
1-10
2-9
3-8
4-7
5-6
2
10-6
7-5
8-4
9-3
1-2
3
2-10
3-1
4-9
5-8
6-7
4
10-7
8-6
9-5
1-4
2-3
5
3-10
4-2
5-1
6-9
7-8
6
10-8
9-7
1-6
2-5
3-4
7
4-10
5-3
6-2
7-1
8-9
8
10-9
1-8
2-7
3-6
4-5
9
5-10
6-4
7-3
8-2
9-1
Кръг
1
1-12
2-11
3-10
4-9
5-8
6-7
2
12-7
8-6
9-5
10-4
11-3
1-2
3
2-12
3-1
4-11
5-10
6-9
7-8
4
12-8
9-7
10-6
11-5
1-4
2-3
5
3-12
4-2
5-1
6-11
7-10
8-9
6
12-9
10-8
11-7
1-6
2-5
3-4
7
4-12
5-3
6-2
7-1
8-11
9-10
8
12-10
11-9
1-8
2-7
3-6
4-5
9
5-12
6-4
7-3
8-2
9-1
10-11
10
12-11
1-10
2-9
3-8
4-7
5-6
11
6-12
7-5
8-4
9-3
10-2
11-1
Кръг
1
1-14
2-13
3-12
4-11
5-10
6-9
7-8
2
14-8
9-7
10-6
11-5
12-4
13-3
1-2
3
2-14
3-1
4-13
5-12
6-11
7-10
8-9
4
14-9
10-8
11-7
12-6
13-5
1-4
2-3
5
3-14
4-2
5-1
6-13
7-12
8-11
9-10
6
14-10
11-9
12-8
13-7
1-6
2-5
3-4
7
4-14
5-3
6-2
7-1
8-13
9-12
10-11
8
14-11
12-10
13-9
1-8
2-7
3-6
4-5
9
5-14
6-4
7-3
8-2
9-1
10-13
11-12
10
14-12
13-11
1-10
2-9
3-8
4-7
5-6
11
6-14
7-5
8-4
9-3
10-2
11-1
12-13
12
14-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-14
8-6
9-5
10-4
11-3
12-2
13-1
Кръг
1
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
2
16-9
10-8
11-7
12-6
13-5
14-4
15-3
1-2
3
2-16
3-1
4-15
5-14
6-13
7-12
8-11
9-10
4
16-10
11-9
12-8
13-7
14-6
15-5
1-4
2-3
5
3-16
4-2
5-1
6-15
7-14
8-13
9-12
10-11
6
16-11
12-10
13-9
14-8
15-7
1-6
2-5
3-4
7
4-16
5-3
6-2
7-1
8-15
9-14
10-13
11-12
8
16-12
13-11
14-10
15-9
1-8
2-7
3-6
4-5
9
5-16
6-4
7-3
8-2
9-1
10-15
11-14
12-13
10
16-13
14-12
15-11
1-10
2-9
3-8
4-7
5-6
11
6-16
7-5
8-4
9-3
10-2
11-1
12-15
13-14
12
16-14
15-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-16
8-6
9-5
10-4
11-3
12-2
13-1
14-15
14
16-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-16
9-7
10-6
11-5
12-4
13-3
14-2
15-1
Кръг
1
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
2
18-10
11-9
12-8
13-7
14-6
15-5
16-4
17-3
1-2
3
2-18
3-1
4-17
5-16
6-15
7-14
8-13
9-12
10-11
4
18-11
12-10
13-9
14-8
15-7
16-6
17-5
1-4
2-3
5
3-18
4-2
5-1
6-17
7-16
8-15
9-14
10-13
11-12
6
18-12
13-11
14-10
15-9
16-8
17-7
1-6
2-5
3-4
7
4-18
5-3
6-2
7-1
8-17
9-16
10-15
11-14
12-13
8
18-13
14-12
15-11
16-10
17-9
1-8
2-7
3-6
4-5
9
5-18
6-4
7-3
8-2
9-1
10-17
11-16
12-15
13-14
10
18-14
15-13
16-12
17-11
1-10
2-9
3-8
4-7
5-6
11
6-18
7-5
8-4
9-3
10-2
11-1
12-17
13-16
14-15
12
18-15
16-14
17-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-18
8-6
9-5
10-4
11-3
12-2
13-1
14-17
15-16
14
18-16
17-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-18
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-17
16
18-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-18
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
Кръг
1
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
2
20-11
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
1-2
3
2-20
3-1
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
4
20-12
13-11
14-10
15-9
16-8
17-7
18-6
19-5
1-4
2-3
5
3-20
4-2
5-1
6-19
7-18
8-17
9-16
10-15
11-14
12-13
6
20-13
14-12
15-11
16-10
17-9
18-8
19-7
1-6
2-5
3-4
7
4-20
5-3
6-2
7-1
8-19
9-18
10-17
11-16
12-15
13-14
8
20-14
15-13
16-12
17-11
18-10
19-9
1-8
2-7
3-6
4-5
9
5-20
6-4
7-3
8-2
9-1
10-19
11-18
12-17
13-16
14-15
10
20-15
16-14
17-13
18-12
19-11
1-10
2-9
3-8
4-7
5-6
11
6-20
7-5
8-4
9-3
10-2
11-1
12-19
13-18
14-17
15-16
12
20-16
17-15
18-14
19-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-20
8-6
9-5
10-4
11-3
12-2
13-1
14-19
15-18
16-17
14
20-17
18-16
19-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-20
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-19
17-18
16
20-18
19-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-20
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-19
18
20-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-20
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
Кръг
1
1-22
2-21
3-20
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
2
22-12
13-11
14-10
15-9
16-8
17-7
18-6
19-5
20-4
21-3
1-2
3
2-22
3-1
4-21
5-20
6-19
7-18
8-17
9-16
10-15
11-14
12-13
4
22-13
14-12
15-11
16-10
17-9
18-8
19-7
20-6
21-5
1-4
2-3
5
3-22
4-2
5-1
6-21
7-20
8-19
9-18
10-17
11-16
12-15
13-14
6
22-14
15-13
16-12
17-11
18-10
19-9
20-8
21-7
1-6
2-5
3-4
7
4-22
5-3
6-2
7-1
8-21
9-20
10-19
11-18
12-17
13-16
14-15
8
22-15
16-14
17-13
18-12
19-11
20-10
21-9
1-8
2-7
3-6
4-5
9
5-22
6-4
7-3
8-2
9-1
10-21
11-20
12-19
13-18
14-17
15-16
10
22-16
17-15
18-14
19-13
20-12
21-11
1-10
2-9
3-8
4-7
5-6
11
6-22
7-5
8-4
9-3
10-2
11-1
12-21
13-20
14-19
15-18
16-17
12
22-17
18-16
19-15
20-14
21-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-22
8-6
9-5
10-4
11-3
12-2
13-1
14-21
15-20
16-19
17-18
14
22-18
19-17
20-16
21-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-22
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-21
17-20
18-19
16
22-19
20-18
21-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-22
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-21
19-20
18
22-20
21-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-22
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
20-21
20
22-21
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
21
11-22
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
20-2
21-1
Кръг
1
1-24
2-23
3-22
4-21
5-20
6-19
7-18
8-17
9-16
10-15
11-14
12-13
2
24-13
14-12
15-11
16-10
17-9
18-8
19-7
20-6
21-5
22-4
23-3
1-2
3
2-24
3-1
4-23
5-22
6-21
7-20
8-19
9-18
10-17
11-16
12-15
13-14
4
24-14
15-13
16-12
17-11
18-10
19-9
20-8
21-7
22-6
23-5
1-4
2-3
5
3-24
4-2
5-1
6-23
7-22
8-21
9-20
10-19
11-18
12-17
13-16
14-15
6
24-15
16-14
17-13
18-12
19-11
20-10
21-9
22-8
23-7
1-6
2-5
3-4
7
4-24
5-3
6-2
7-1
8-23
9-22
10-21
11-20
12-19
13-18
14-17
15-16
8
24-16
17-15
18-14
19-13
20-12
21-11
22-10
23-9
1-8
2-7
3-6
4-5
9
5-24
6-4
7-3
8-2
9-1
10-23
11-22
12-21
13-20
14-19
15-18
16-17
10
24-17
18-16
19-15
20-14
21-13
22-12
23-11
1-10
2-9
3-8
4-7
5-6
11
6-24
7-5
8-4
9-3
10-2
11-1
12-23
13-22
14-21
15-20
16-19
17-18
12
24-18
19-17
20-16
21-15
22-14
23-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-24
8-6
9-5
10-4
11-3
12-2
13-1
14-23
15-22
16-21
17-20
18-19
14
24-19
20-18
21-17
22-16
23-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-24
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-23
17-22
18-21
19-20
16
24-20
21-19
22-18
23-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-24
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-23
19-22
20-21
18
24-21
22-20
23-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-24
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
20-23
21-22
20
24-22
23-21
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
21
11-24
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
20-2
21-1
22-23
22
24-23
1-22
2-21
3-20
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
23
12-24
13-11
14-10
15-9
16-8
17-7
18-6
19-5
20-4
21-3
22-2
23-1
Кръг
1
1-26
2-25
3-24
4-23
5-22
6-21
7-20
8-19
9-18
10-17
11-16
12-15
13-14
2
26-14
15-13
16-12
17-11
18-10
19-9
20-8
21-7
22-6
23-5
24-4
25-3
1-2
3
2-26
3-1
4-25
5-24
6-23
7-22
8-21
9-20
10-19
11-18
12-17
13-16
14-15
4
26-15
16-14
17-13
18-12
19-11
20-10
21-9
22-8
23-7
24-6
25-5
1-4
2-3
5
3-26
4-2
5-1
6-25
7-24
8-23
9-22
10-21
11-20
12-19
13-18
14-17
15-16
6
26-16
17-15
18-14
19-13
20-12
21-11
22-10
23-9
24-8
25-7
1-6
2-5
3-4
7
4-26
5-3
6-2
7-1
8-25
9-24
10-23
11-22
12-21
13-20
14-19
15-18
16-17
8
26-17
18-16
19-15
20-14
21-13
22-12
23-11
24-10
25-9
1-8
2-7
3-6
4-5
9
5-26
6-4
7-3
8-2
9-1
10-25
11-24
12-23
13-22
14-21
15-20
16-19
17-18
10
26-18
19-17
20-16
21-15
22-14
23-13
24-12
25-11
1-10
2-9
3-8
4-7
5-6
11
6-26
7-5
8-4
9-3
10-2
11-1
12-25
13-24
14-23
15-22
16-21
17-20
18-19
12
26-19
20-18
21-17
22-16
23-15
24-14
25-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-26
8-6
9-5
10-4
11-3
12-2
13-1
14-25
15-24
16-23
17-22
18-21
19-20
14
26-20
21-19
22-18
23-17
24-16
25-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-26
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-25
17-24
18-23
19-22
20-21
16
26-21
22-20
23-19
24-18
25-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-26
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-25
19-24
20-23
21-22
18
26-22
23-21
24-20
25-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-26
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
20-25
21-24
22-23
20
26-23
24-22
25-21
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
21
11-26
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
20-2
21-1
22-25
23-24
22
26-24
25-23
1-22
2-21
3-20
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
23
12-26
13-11
14-10
15-9
16-8
17-7
18-6
19-5
20-4
21-3
22-2
23-1
24-25
24
26-25
1-24
2-23
3-22
4-21
5-20
6-19
7-18
8-17
9-16
10-15
11-14
12-13
25
13-26
14-12
15-11
16-10
17-9
18-8
19-7
20-6
21-5
22-4
23-3
24-2
25-1
Кръг
1
1-28
2-27
3-26
4-25
5-24
6-23
7-22
8-21
9-20
10-19
11-18
12-17
13-16
14-15
2
28-15
16-14
17-13
18-12
19-11
20-10
21-9
22-8
23-7
24-6
25-5
26-4
27-3
1-2
3
2-28
3-1
4-27
5-26
6-25
7-24
8-23
9-22
10-21
11-20
12-19
13-18
14-17
15-16
4
28-16
17-15
18-14
19-13
20-12
21-11
22-10
23-9
24-8
25-7
26-6
27-5
1-4
2-3
5
3-28
4-2
5-1
6-27
7-26
8-25
9-24
10-23
11-22
12-21
13-20
14-19
15-18
16-17
6
28-17
18-16
19-15
20-14
21-13
22-12
23-11
24-10
25-9
26-8
27-7
1-6
2-5
3-4
7
4-28
5-3
6-2
7-1
8-27
9-26
10-25
11-24
12-23
13-22
14-21
15-20
16-19
17-18
8
28-18
19-17
20-16
21-15
22-14
23-13
24-12
25-11
26-10
27-9
1-8
2-7
3-6
4-5
9
5-28
6-4
7-3
8-2
9-1
10-27
11-26
12-25
13-24
14-23
15-22
16-21
17-20
18-19
10
28-19
20-18
21-17
22-16
23-15
24-14
25-13
26-12
27-11
1-10
2-9
3-8
4-7
5-6
11
6-28
7-5
8-4
9-3
10-2
11-1
12-27
13-26
14-25
15-24
16-23
17-22
18-21
19-20
12
28-20
21-19
22-18
23-17
24-16
25-15
26-14
27-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-28
8-6
9-5
10-4
11-3
12-2
13-1
14-27
15-26
16-25
17-24
18-23
19-22
20-21
14
28-21
22-20
23-19
24-18
25-17
26-16
27-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-28
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-27
17-26
18-25
19-24
20-23
21-22
16
28-22
23-21
24-20
25-19
26-18
27-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-28
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-27
19-26
20-25
21-24
22-23
18
28-23
24-22
25-21
26-20
27-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-28
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
20-27
21-26
22-25
23-24
20
28-24
25-23
26-22
27-21
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
21
11-28
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
20-2
21-1
22-27
23-26
24-25
22
28-25
26-24
27-23
1-22
2-21
3-20
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
23
12-28
13-11
14-10
15-9
16-8
17-7
18-6
19-5
20-4
21-3
22-2
23-1
24-27
25-26
24
28-26
27-25
1-24
2-23
3-22
4-21
5-20
6-19
7-18
8-17
9-16
10-15
11-14
12-13
25
13-28
14-12
15-11
16-10
17-9
18-8
19-7
20-6
21-5
22-4
23-3
24-2
25-1
26-27
26
28-27
1-26
2-25
3-24
4-23
5-22
6-21
7-20
8-19
9-18
10-17
11-16
12-15
13-14
27
14-28
15-13
16-12
17-11
18-10
19-9
20-8
21-7
22-6
23-5
24-4
25-3
26-2
27-1
Кръг
1
1-30
2-29
3-28
4-27
5-26
6-25
7-24
8-23
9-22
10-21
11-20
12-19
13-18
14-17
15-16
2
30-16
17-15
18-14
19-13
20-12
21-11
22-10
23-9
24-8
25-7
26-6
27-5
28-4
29-3
1-2
3
2-30
3-1
4-29
5-28
6-27
7-26
8-25
9-24
10-23
11-22
12-21
13-20
14-19
15-18
16-17
4
30-17
18-16
19-15
20-14
21-13
22-12
23-11
24-10
25-9
26-8
27-7
28-6
29-5
1-4
2-3
5
3-30
4-2
5-1
6-29
7-28
8-27
9-26
10-25
11-24
12-23
13-22
14-21
15-20
16-19
17-18
6
30-18
19-17
20-16
21-15
22-14
23-13
24-12
25-11
26-10
27-9
28-8
29-7
1-6
2-5
3-4
7
4-30
5-3
6-2
7-1
8-29
9-28
10-27
11-26
12-25
13-24
14-23
15-22
16-21
17-20
18-19
8
30-19
20-18
21-17
22-16
23-15
24-14
25-13
26-12
27-11
28-10
29-9
1-8
2-7
3-6
4-5
9
5-30
6-4
7-3
8-2
9-1
10-29
11-28
12-27
13-26
14-25
15-24
16-23
17-22
18-21
19-20
10
30-20
21-19
22-18
23-17
24-16
25-15
26-14
27-13
28-12
29-11
1-10
2-9
3-8
4-7
5-6
11
6-30
7-5
8-4
9-3
10-2
11-1
12-29
13-28
14-27
15-26
16-25
17-24
18-23
19-22
20-21
12
30-21
22-20
23-19
24-18
25-17
26-16
27-15
28-14
29-13
1-12
2-11
3-10
4-9
5-8
6-7
13
7-30
8-6
9-5
10-4
11-3
12-2
13-1
14-29
15-28
16-27
17-26
18-25
19-24
20-23
21-22
14
30-22
23-21
24-20
25-19
26-18
27-17
28-16
29-15
1-14
2-13
3-12
4-11
5-10
6-9
7-8
15
8-30
9-7
10-6
11-5
12-4
13-3
14-2
15-1
16-29
17-28
18-27
19-26
20-25
21-24
22-23
16
30-23
24-22
25-21
26-20
27-19
28-18
29-17
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
17
9-30
10-8
11-7
12-6
13-5
14-4
15-3
16-2
17-1
18-29
19-28
20-27
21-26
22-25
23-24
18
30-24
25-23
26-22
27-21
28-20
29-19
1-18
2-17
3-16
4-15
5-14
6-13
7-12
8-11
9-10
19
10-30
11-9
12-8
13-7
14-6
15-5
16-4
17-3
18-2
19-1
20-29
21-28
22-27
23-26
24-25
20
30-25
26-24
27-23
28-22
29-21
1-20
2-19
3-18
4-17
5-16
6-15
7-14
8-13
9-12
10-11
21
11-30
12-10
13-9
14-8
15-7
16-6
17-5
18-4
19-3
20-2
21-1
22-29
23-28
24-27
25-26
22
30-26
27-25
28-24
29-23
1-22
2-21
3-20
4-19
5-18
6-17
7-16
8-15
9-14
10-13
11-12
23
12-30
13-11
14-10
15-9
16-8
17-7
18-6
19-5
20-4
21-3
22-2
23-1
24-29
25-28
26-27
24
30-27
28-26
29-25
1-24
2-23
3-22
4-21
5-20
6-19
7-18
8-17
9-16
10-15
11-14
12-13
25
13-30
14-12
15-11
16-10
17-9
18-8
19-7
20-6
21-5
22-4
23-3
24-2
25-1
26-29
27-28
26
30-28
29-27
1-26
2-25
3-24
4-23
5-22
6-21
7-20
8-19
9-18
10-17
11-16
12-15
13-14
27
14-30
15-13
16-12
17-11
18-10
19-9
20-8
21-7
22-6
23-5
24-4
25-3
26-2
27-1
28-29
28
30-29
1-28
2-27
3-26
4-25
5-24
6-23
7-22
8-21
9-20
10-19
11-18
12-17
13-16
14-15
29
15-30
16-14
17-13
18-12
19-11
20-10
21-9
22-8
23-7
24-6
25-5
26-4
27-3
28-2
29-1
