DISPLAY 640 400
DEPTHCUE
PEN   0   0   0   0
PEN   1   0  15   0
PEN   2   0   0  15
PEN   3  15   0   0
PEN   4  15  15   0
PEN   5  15   0  15
PEN   6   0  15  15
PEN   7   9   0   9
PEN   8  15   9   0
PEN   9   7   7   7
PEN  10  12   9   5
PEN  11  12  12  12
PEN  12   0  10  10
PEN  13  15  15  15
PEN  14   4   4  10
PEN  15   9  11  15
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