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