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

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

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

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

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