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