import Foundation

func drawSquare(_ n: Int) {
    let size = 2 * n + 1

    for i in 0..<size {
        for j in 0..<size {
            let distance = max(abs(n - i), abs(n - j))
            let number = 9 - distance
            print(number, terminator: "")
        }
        print()
    }
}


let input = 3
drawSquare(input)