# orbits.c (with the invariant pruning) and max-sets 5: classes of n-card layouts holding at most 5 sets
# n classes histogram sets:classes
2        1 0:1 
3        2 0:1 1:1 
4        3 0:2 1:1 
5        6 2:1 0:3 1:2 
6       15 2:3 3:1 0:7 1:4 
7       34 2:7 3:3 5:1 0:11 1:12 
8      104 2:24 3:11 4:3 5:1 0:33 1:32 
9      379 2:94 3:48 4:19 5:8 0:91 1:119 
10     1629 2:474 3:261 4:105 5:39 0:267 1:483 
11     7965 2:2412 3:1806 4:883 5:324 0:670 1:1870 
12    39594 2:10406 3:10932 4:7499 5:3586 0:1437 1:5734 
13   180018 2:33255 3:49439 4:48566 5:33433 0:2225 1:13100 
14   677617 2:74608 3:154373 4:214127 5:211128 0:2489 1:20892 
15  1915709 2:111243 3:319132 4:613659 5:847876 0:1756 1:22043 
16  3742466 2:104366 3:416863 4:1104870 5:2101607 0:748 1:14012 
17  4680687 2:55673 3:322705 4:1190839 5:3106735 0:143 1:4592 
18  3447546 2:14039 3:131738 4:711456 5:2589781 0:20 1:512 
19  1326933 2:879 3:21981 4:201755 5:1102300 0:1 1:17 
20   211573 2:14 3:564 4:18459 5:192535 0:1 
21     7065 3:8 4:171 5:6886 
22       32 4:6 5:26 
23 4 5:4
24 0
# fewest sets among 21, 22, 23 cards: 3, 4, 5; among 24 cards at least 6, and the 24 cards
# left out of out/anneal.txt's 57-card layout hold exactly 6