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size = 100

for i in range(size):
    # if(i == size - 4):
    #     row = "1" * (size - 2) + "01"
    # elif i == size - 3:
    #     row = "01" * (size // 2 - 1) + "10"
    # elif i == size - 2:
    #     row = "0" + "1" * (size - 2) + "1"
    # elif i == size - 1:
    #     row = "10" * (size // 2)
    if(i == size - 1):
        row = "1" + "0" * (size - 1)
    elif(i % 2 == 0):
        row = "0" + "1" * (size - 1)
    else:
        row = "1" * (size - 1) + "0"
    print(row)
# for i in range(size):
#     # if(i == size - 1):
#     #     row = "10" * (size // 2)
#     if(i % 2 == 0):
#         row = "10" * (size // 2)
#     else:
#         row = "01" * (size // 2)
#     print(row)