A secret agency got its hands on old classified records. They ask you to rescue the data from the disks.
These are 120rpm disks with few seconds of audio and are supposed to hold a sequence of decimal digits.
The track begins at the outer edge of the disks and the needle of the gramophone follows it towards inside.
As the original medium is valuable you only get scanned images in png format.
A sequence of digits. It is known that the last two digits are the same and give the sum of the previous digits modulo ten.
1 2 3 4 0 0