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