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

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

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

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

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