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

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

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

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

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