C13223313311212111133133313331333133313231323133211331333131331133133311211   >>    C1322331331121211113313331333133313331323132313321133133313133113313331121   <<    C13223313311212111133133313331333133313231323133211331333131331133133311213   >>      C13223313311212111133133313331333133313231323133211331333131331133133311212   >>