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