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

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

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

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

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