---

#include <stdio.h>

int main(void) {
    int arr[3][3][3];
    int n = 1;

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            for (int k = 0; k < 3; k++) {
                arr[i][j][k] = n++;
            }
        }
    }

    for (int i = 0; i < 3; i++) {
        printf("Слой %d:\n", i + 1);

        for (int j = 0; j < 3; j++) {
            for (int k = 0; k < 3; k++) {
                printf("%d\t", arr[i][j][k]);
            }
            printf("\n");
        }

        printf("\n");
    }

    return 0;
}