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

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

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

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

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