Task_15

#include <iostream>
int main() {
    unsigned int n;
    std::cin >> n;
    for (int i = 1; i <= n-1; i++) {
        for (int k = 1; k <= i; k++) {
            std::cout << k;
        }
        int space_sym = 3 * n - 2 * i;
        for (int k = 1; k <= space_sym; k++) {
            std::cout << ' ';
        }
        for (int k = i; k >= 1; k--) {
            std::cout << k;
        }
        std::cout << std::endl;
    }
    for (int k = 1; k <= n; k++) {
        std::cout << k;
    }
    for (int k = 1; k <= n; k++) {
        std::cout << '-';
    }
    for (int k = n; k >= 1; k--) {
        std::cout << k;
    }
    std::cout << std::endl;
    for (int i = n-1; i >=1; i--) {
        for (int k = 1; k <= i; k++) {
            std::cout << k;
        }
        int space_sym = 3 * n - 2 * i;
        for (int k = 1; k <= space_sym; k++) {
            std::cout << ' ';
        }
        for (int k = i; k >= 1; k--) {
            std::cout << k;
        }
        std::cout << std::endl;
    }
    return 0;
}