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

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

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

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

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