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