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

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

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

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

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