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