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