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

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

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

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

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