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

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

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

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

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