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

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

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

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

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