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