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