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

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

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

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

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