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

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

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

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

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