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