2 9 x2 4x 1

2 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 1
2 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 1
2 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 12 9 x2 4x 1