C13223313311212111133133313331323133313331323131133133313231333133313233213131   >>    C1322331331121211113313331333132313331333132313113313331323133313331323321313   <<    C13223313311212111133133313331323133313331323131133133313231333133313233213133   >>      C13223313311212111133133313331323133313331323131133133313231333133313233213132   >>