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

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

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

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

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