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

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

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

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

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