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