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