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