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

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

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

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

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