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

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

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

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

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