C13223313311212111133133313331333132313331323312111111331313331221   >>    C1322331331121211113313331333133313231333132331211111133131333122   <<    C13223313311212111133133313331333132313331323312111111331313331223   >>      C13223313311212111133133313331333132313331323312111111331313331222   >>