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

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

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

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

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