Horizontal wins (rows)

Top row → positions 0, 1, 2

Middle row → positions 3, 4, 5

Bottom row → positions 6, 7, 8

Vertical wins (columns)

Left column → positions 0, 3, 6

Middle column → positions 1, 4, 7

Right column → positions 2, 5, 8

Diagonal wins

Top-left to bottom-right → positions 0, 4, 8

Top-right to bottom-left → positions 2, 4, 6