Удиви меня

7x x 3 1 x 7

7x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 7
7x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 7
7x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 77x x 3 1 x 7