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

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

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

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

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