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

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

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

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

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