What if the signals had been 6 3 4 9 4 1 6 9 6 7 11 6 that kept repeating? Would you recognize the set? What is it as a signal of an ET civilization?
If you need more hints than this, swipe the rest of this puzzle to see two more sequences from the same civilization, printed to match the background to hide them while trying to solve from just the above.
1 4 11 7 9 1 7 0 10 0 7 11
2 8 7 5 2 3 6 0 6 9 8 2