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