T8. Spiral TT

Given integers N and M, your task is to fill a rectangle with N rows and M columns using integers from the range [1, N*M]. The numbers should be arranged in a counterclockwise spiral pattern, starting from the bottom left corner (as illustrated in the examples).

Print the numbers row by row, ensuring there is a space between each number within a row.

Constraints

1 ≤ N, M ≤ 100

Input Format

The input consists of a single line containing the integers N and M, separated by a space.

Output Format

Output the numbers from the range [1, N*M] in the specified spiral order.

Examples