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