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