C2221232323213331311331333133313231333132313231333113221223311331   >>    C222123232321333131133133313331323133313231323133311322122331133   <<    C2221232323213331311331333133313231333132313231333113221223311333   >>      C2221232323213331311331333133313231333132313231333113221223311332   >>