Problem #PRU-88100

Problems Puzzles Tilings with ordinary and domino tiles Discrete Mathematics Combinatorics Dissections, partitions, covers and tilings Set theory and logic Mathematical logic
 10–13  2.0

Problem

An entire set of dominoes, except for 0-0, was laid out as shown in the figure. Different letters correspond to different numbers, the same – the same. The sum of the points in each line is 24. Try to restore the numbers.