88888888888888888888888888 888888888888888888888888888 888888888888888888888888
9999999999999999999999999 99999999999999999999999999
10 10 10 10 10 10 10 10 10
11 11 11 1 111
12 12 12 12 12 12 12 12
13 13 13 131 31313 13 13 13 13 13
14 14 14 14 14 14 14 14 14 14 14 14 14 14
151 15 151 515 15 15 15 15
16 16 16 16 61 16 16
17 17 17 17 17