C13223313311212111133133313331323133313331323131133133313231333133112311311   >>    C1322331331121211113313331333132313331333132313113313331323133313311231131   <<    C13223313311212111133133313331323133313331323131133133313231333133112311313   >>      C13223313311212111133133313331323133313331323131133133313231333133112311312   >>