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