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

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

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

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

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