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

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

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

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

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