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

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

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

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

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