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

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

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

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

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