What number should replace the question mark? The numbers are arranged in a five-row pattern (numbers in each row, left to right):
Row 1 (3 numbers): 4, 3, 2
Row 2 (5 numbers): 5, 3, 5, 1, 1
Row 3 (7 numbers): 6, 1, 2, 8, 3, 3, 1
Row 4 (5 numbers): 7, 2, 8, 4, 3
Row 5 (3 numbers): 9, ?, 3