A=list(map(int,input().split(' ')))

N=A[0]

sum=0

for i in range(1,len(A)):

if i%2==0:

    for i in range(A[i]):

        if sum % N == N - 1:
            print('1', end='\n')
            sum = sum + 1


        else:
            print('1', end=' ')
            sum = sum + 1



else:
    for i in range(A[i]):

        if sum%N==N-1:
            print('0',end='\n')
            sum=sum+1


        else:
            print('0',end=' ')
            sum=sum+1