sr=input().split()
n=int(sr[0])
m=int(sr[1])
a=[[0 for i in range(m)] for j in range(n)]
k=1
i=0
j=0
while(k<=n*m):
    a[i][j]=k
    if(j+1<m and a[i][j+1]==0):
       j=j+1
    elif(i+1<n and a[i+1][j]==0):
        i=i+1
    elif(j-1>=0 and a[i][j-1]==0):
        j=j-1
    elif(i-1>=0 and a[i-1][j]==0):
        i=i-1
    k=k+1
for i in range(n):
    for j in range(m):
        print("%3d"%a[i][j],end="")
    print()
/**************************************************************
	Problem: 1586
	User: admin
	Language: Python
	Result: Accepted
	Time:532 ms
	Memory:34480 kb
****************************************************************/