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