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

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

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

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

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