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