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

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

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

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

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