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