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

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

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

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

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