C13223313311212111133133313331333132313331323312111133132211313111   >>    C1322331331121211113313331333133313231333132331211113313221131311   <<    C13223313311212111133133313331333132313331323312111133132211313113   >>      C13223313311212111133133313331333132313331323312111133132211313112   >>