The paper did not quote blank lines are 1 to be the best at least A4 size only a pen or pencil colors precipitation. The pen color (many colors the better lol) headers, your brain and your imagination
This one leaves no paper is best lines. At least as much A4 colored pens or colored pencils, pens, colored (multicolored particularly good). heads, your brain is your imagination!
A blank piece of paper 1 leaves no lines are the best size at least as A4 color pen or pencil color, mouth of (there are many more color?) your head your imagination! .