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