C13223313311212111133133313331333133313231323133211113313331312223231   >>    C1322331331121211113313331333133313331323132313321111331333131222323   <<    C13223313311212111133133313331333133313231323133211113313331312223233   >>      C13223313311212111133133313331333133313231323133211113313331312223232   >>