/usr/share/games/ballz/levelX.txt is in ballz-data 1.0.2-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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1000000000000000000000000000000000000000P000000000000000000000000000000000000000000000001
10000100000000000000000000000000000000000000000000000000000000000000000001000000000000001
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10000000000000000000000000000000000000000000000000000000000010000000001000001000000000001
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10000000001000000000000000000000000000000000000000000000000000000000000000000010000000001
10000000000001000001200001000000000000000001100002000101000000000000000000000001000000001
10000000000000000000110000000000000000000000000000000000000000000010000000000001100000001
10000000000000000000000000000000000000000000000000000000000000000101000000000001010000001
10000000000100000000000011000000000000011110000000000000000000000001000000000001000000001
1000000000000000000000000000010000000000000020000000000000000000000100000G000001000000001
10B00000000000000000000000000000111100000000000000000P00000000000001111111111111000000001
11111010100000000000000000000000000000000000010010010000000000000000000000000000000000001
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