C111123313121111121111331333133313331333132232233132313231333132233313331323131   >>    C11112331312111112111133133313331333133313223223313231323133313223331333132313   <<    C111123313121111121111331333133313331333132232233132313231333132233313331323133   >>      C111123313121111121111331333133313331333132232233132313231333132233313331323132   >>