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