C13223313311212111133133313331333132313331323312111133112122321   >>    C1322331331121211113313331333133313231333132331211113311212232   <<    C13223313311212111133133313331333132313331323312111133112122323   >>      C13223313311212111133133313331333132313331323312111133112122322   >>