(0 19 2)(1 9 3)(4 12 10)(5 21 7)(6 17 16 14 8)(11 20 18 15 13)
ALLOWS (11/8)-SEQUENCE
1: (0 6 14)

(0 8 6 19 2)(1 9 3)(4 12 10)(5 21 7)(11 20 18 15 13)(14 17 16)
2: (5 21 7)

(0 8 6 19 2)(1 9 3)(4 12 10)(5)(7)(11 20 18 15 13)(14 17 16)(21)
3: (6 19 8)

(0 8 2)(1 9 3)(4 12 10)(5)(6)(7)(11 20 18 15 13)(14 17 16)(19)(21)
4: (11 20 18)

(0 8 2)(1 9 3)(4 12 10)(5)(6)(7)(11 15 13)(14 17 16)(18)(19)(20)(21)