C13223313311212111133133313331333132313331323312111113213232211   >>    C1322331331121211113313331333133313231333132331211111321323221   <<    C13223313311212111133133313331333132313331323312111113213232213   >>      C13223313311212111133133313331333132313331323312111113213232212   >>