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