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