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