C11112331312111112111133133313231333132313331333112113313231322111   >>    C1111233131211111211113313331323133313231333133311211331323132211   <<    C11112331312111112111133133313231333132313331333112113313231322113   >>      C11112331312111112111133133313231333132313331333112113313231322112   >>