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