C111123313121111121111331333133313331323132333133313232213311231323131   >>    C11112331312111112111133133313331333132313233313331323221331123132313   <<    C111123313121111121111331333133313331323132333133313232213311231323133   >>      C111123313121111121111331333133313331323132333133313232213311231323132   >>