C111123313121111121111331333133313331323132333132313232233132313331311211221   >>    C11112331312111112111133133313331333132313233313231323223313231333131121122   <<    C111123313121111121111331333133313331323132333132313232233132313331311211223   >>      C111123313121111121111331333133313331323132333132313232233132313331311211222   >>