C111123313121111121111331333132313331323133313331323223313231322121   >>    C11112331312111112111133133313231333132313331333132322331323132212   <<    C111123313121111121111331333132313331323133313331323223313231322123   >>      C111123313121111121111331333132313331323133313331323223313231322122   >>