C13223313311212111133133313331333132313331323312111133133322221   >>    C1322331331121211113313331333133313231333132331211113313332222   <<    C13223313311212111133133313331333132313331323312111133133322223   >>      C13223313311212111133133313331333132313331323312111133133322222   >>