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