GAME_OVER // STATUS
NUMBER_MATCH // SELECT
GAME // NUMBER_MATCH
Match equal numbers or pairs that sum to 10
Goal: Clear all numbers from the board.
Valid pairs: Select two equal numbers or two that sum to 10.
Connection: Numbers must be adjacent (incl. diagonal), or connected with no non-zero cells in between — same row, column, diagonal or sequential.
Add lines: No moves left? Append all remaining numbers as new rows to find fresh pairs.