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

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

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

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

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