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