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