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