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

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

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

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

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