C11112331312111112111133133313231333132313232233132322132322311   >>    C1111233131211111211113313331323133313231323223313232213232231   <<    C11112331312111112111133133313231333132313232233132322132322313   >>      C11112331312111112111133133313231333132313232233132322132322312   >>