C13223313311212111133133313331333133313231323133211331333133313121312321   >>    C1322331331121211113313331333133313331323132313321133133313331312131232   <<    C13223313311212111133133313331333133313231323133211331333133313121312323   >>      C13223313311212111133133313331333133313231323133211331333133313121312322   >>