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