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