Question
The following pattern is created with 4 letters, U, V, W and X. If this pattern continues, find the 138th letter.

U, V, W, X, U, V, W, X ...
2 m

Click button first when a symbol is required. X

The following pattern is created with 4 letters, U, V, W and X. If this pattern continues, find the 138th letter.

U, V, W, X, U, V, W, X ...