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