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

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

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

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

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