C13223313311212111133133313331333133313123223313231333132223131221   >>    C1322331331121211113313331333133313331312322331323133313222313122   <<    C13223313311212111133133313331333133313123223313231333132223131223   >>      C13223313311212111133133313331333133313123223313231333132223131222   >>