(4/?) j.S true strings to c.S, allowing BRC mix:
j.S c.S jc 66BRC... > j.K j.D 33 j.S (HHH, 9)
... > j.K j.D 66 j.H (HHH, 10)
... > j.K j.D 99 j.H (HHHHHHHH, 1)
... > j.K j.D 214K 2K (HHL, 3f gap)
... > j.K land 9 j.K j.D (HHH, rewarding/unsafe/FDable)
... > j.K 2K 2D (HLL)