C2221232323213331311331333133313231333132312323323213113311211231   >>    C222123232321333131133133313331323133313231232332321311331121123   <<    C2221232323213331311331333133313231333132312323323213113311211233   >>      C2221232323213331311331333133313231333132312323323213113311211232   >>