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