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