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

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

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

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

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