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