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

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

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

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

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