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import java.util.Scanner;

public class Main {
    private static void drawLineInUpperHalf(int i, int s) {
        int effectiveMaxLength = s / 2;
        for (int j = 0; j < effectiveMaxLength - i - 1; j++) {
            System.out.print(' ');
        }
        for (int j = 0; j < i + 1; j++) {
            System.out.print(j % 10);
        }
        System.out.println();
    }

    private static void drawLineInLowerHalf(int i, int s) {
        int effectiveMaxLength = s / 2;
        for (int j = 0; j < effectiveMaxLength; j++) {
            System.out.print(' ');
        }
        for (int j = s - i - 1; j >= 0; j--) {
            System.out.print(j % 10);
        }
        System.out.println();
    }

    private static void draw(int s) {
        for (int i = 0; i < s / 2; i++) {
            drawLineInUpperHalf(i, s);
        }
        for (int i = s / 2; i < s; i++) {
            drawLineInLowerHalf(i, s);
        }
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Введите s: ");
        int s = scanner.nextInt();
        draw(s);
    }
}
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