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