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