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

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

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

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

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