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