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

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

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

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

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