(0 20 18)(1 21 3)(2 10 4)(5 19 17 15 12)(6 11 8)(7 16 14 13 9)
ALLOWS (11/8)-SEQUENCE
1: (0 7 16)

(0 14 13 9 7 20 18)(1 21 3)(2 10 4)(5 19 17 15 12)(6 11 8)(16)
2: (5 19 12)

(0 14 13 9 7 20 18)(1 21 3)(2 10 4)(5)(6 11 8)(12 17 15)(16)(19)
3: (13 20 18)

(0 14 13)(1 21 3)(2 10 4)(5)(6 11 8)(7 20 9)(12 17 15)(16)(18)(19)
4: (12 17 15)

(0 14 13)(1 21 3)(2 10 4)(5)(6 11 8)(7 20 9)(12)(15)(16)(17)(18)(19)