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

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

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

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

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