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