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