C22213331333133313112331323133313331333133313231211111131223311   >>    C2221333133313331311233132313331333133313331323121111113122331   <<    C22213331333133313112331323133313331333133313231211111131223313   >>      C22213331333133313112331323133313331333133313231211111131223312   >>