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

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

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

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

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