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

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

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

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

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