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

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

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

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

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