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

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

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

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

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