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

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

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

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

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