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

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

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

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

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