C13223313311212111133133313331333132313331323312111113331322212121   >>    C1322331331121211113313331333133313231333132331211111333132221212   <<    C13223313311212111133133313331333132313331323312111113331322212123   >>      C13223313311212111133133313331333132313331323312111113331322212122   >>