/usr/share/lisaac/lib/unstable/graphics/ is in lisaac-common 1:0.39~rc1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lisaac/lib/unstable/graphics/bitmap.li
/usr/share/lisaac/lib/unstable/graphics/bmp_line.li
/usr/share/lisaac/lib/unstable/graphics/edge.li
/usr/share/lisaac/lib/unstable/graphics/format/
/usr/share/lisaac/lib/unstable/graphics/format/ai/
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_alias.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_bezier.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_color.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_file.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_layer.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_line.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_move.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_operation.li
/usr/share/lisaac/lib/unstable/graphics/format/ai/ai_parser.li
/usr/share/lisaac/lib/unstable/graphics/format/bmp/
/usr/share/lisaac/lib/unstable/graphics/format/bmp/bmp_header.li
/usr/share/lisaac/lib/unstable/graphics/format/bmp/format_bmp.li
/usr/share/lisaac/lib/unstable/graphics/format/format_img.li
/usr/share/lisaac/lib/unstable/graphics/low_level/
/usr/share/lisaac/lib/unstable/graphics/low_level/abstract_bitmap.li
/usr/share/lisaac/lib/unstable/graphics/low_level/abstract_bmp_line.li
/usr/share/lisaac/lib/unstable/graphics/low_level/pixel.li
/usr/share/lisaac/lib/unstable/graphics/pixel_15.li
/usr/share/lisaac/lib/unstable/graphics/pixel_16.li
/usr/share/lisaac/lib/unstable/graphics/pixel_24.li
/usr/share/lisaac/lib/unstable/graphics/pixel_32.li