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

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

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

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

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