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

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

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

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

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