● 1 + 22 + 333 + 4444 + 55555 + 666666 + 7777777 + 88888888 + 999999999 ● 9 + 98 + 987 + 9876 + 98765 + 987654 + 9876543 + 98765432 + 987654321 #unilecs #puzzle_249