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