inputs = input().split()

N = int(inputs[0])
K = int(inputs[1])

pascal = [[1]]

def startRow(n):
    return(max(1,K+n-N))

def endRow(n):
    return(min(n,K))

def getCel(n,k):
    if(k==1):
        return(1)
    if(k==n):
        return(1)
    return(pascal[n-2][k-startRow(n-1)]+pascal[n-2][k-1-startRow(n-1)])

for n in range(2,N+1):
    pascal.append([])
    for k in range(startRow(n),endRow(n)+1):
        pascal[n-1].append(getCel(n,k))

print(pascal)