C13223313311212111133133313331333133313231323133211113313123221231   >>    C1322331331121211113313331333133313331323132313321111331312322123   <<    C13223313311212111133133313331333133313231323133211113313123221233   >>      C13223313311212111133133313331333133313231323133211113313123221232   >>