7 12 n 1

7 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 1
7 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 1
7 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 17 12 n 1