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

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

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

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

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