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