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

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

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

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

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