Abstract "Circles 1" "Circles 2" Untitled Untitled Untitled Untitled Untitled Untitled Untitled Untitled Untitled "Chaos Under Control" Blue #1 "Chaos Under Control" Green #1 "Chaos Under Control" Yellow #1 "Chaos Under Control" Red #1 Untitled Untitled "Mesas" "Mesas": Detail "Mysterious Mountains 2" "Mysterious Mountains 2": detail