__author__ = 'Avinash'


# Python3 program to print alphabet pattern Y

# *                      *
#   *                  *
#     *              *
#       *          *
#         *      *
#           *  *
#           *
#         *
#       *
#     *
#   *
# *

def print_pattern(n):
    for row in range(n):
        for column in range(n):
            if(
                    # right slanting line
                    (row + column == n-1) or

                    # left slanting line half
                    (row == column and row < n/2)
            ):
                print("* ", end=" ")
            else:
                print(" ", end=" ")
        print()


size = int(input("Enter any size: \t"))

if size < 8:
    print("Enter a number minimum of 8")
else:
    print_pattern(size)