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Split a 16x16in. canvas into four equal sections (you can use 16x16, 12x12 or 8x8, but not bigger or smaller!).
1. First, using only black and white, paint your subject using ten values and tones from black to white.
2. Next use transparent oxide brown (Rembrandt) & deep Indian yellow (winsor and newton) and do a monochrome study, again trying to use only ten values and tones.
3. In the third square, do a study in limited palette, using only primary colors (yellow, red, & blue).
4. In the last square, complete a study in the full palette, using as much as color you want!
Please be sure to follow the spirit and the letter of the challenge.
For example, each submission must be painted after the challenge is posted.