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