C13223313311212111133133313331333133313231323133211331333132212311   >>    C1322331331121211113313331333133313331323132313321133133313221231   <<    C13223313311212111133133313331333133313231323133211331333132212313   >>      C13223313311212111133133313331333133313231323133211331333132212312   >>