C111123313121111121111331333133313231323132322331333132313331333213331331123311   >>    C11112331312111112111133133313331323132313232233133313231333133321333133112331   <<    C111123313121111121111331333133313231323132322331333132313331333213331331123313   >>      C111123313121111121111331333133313231323132322331333132313331333213331331123312   >>