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$mp3_size = ($memory[0] & 0xFF) | (( $memory[1] & 0xFF ) << 7) | (( $memory[2] & 0xFF ) << 14) | (( $memory[3] & 0xFF ) << 21);
$VAR1 = 0; $VAR2 = 0; $VAR3 = 5; $VAR4 = 59;
$VAR1 = 123813888;