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