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

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

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

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

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