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