One insight is — characters remain the same when they move into a diagonal position. So if you want F, e.g., look for Fs on the diagonal, or Es 1 unit dist. Lef

One insight is — characters remain the same when they move into a diagonal position. So if you want F, e.g., look for Fs on the diagonal, or Es 1 unit dist. Left/above from the diagonal or Gs 1 unit dist. To the right, etc.