C2221232323213331311331333133313231323133313221213231231213113311   >>    C222123232321333131133133313331323132313331322121323123121311331   <<    C2221232323213331311331333133313231323133313221213231231213113313   >>      C2221232323213331311331333133313231323133313221213231231213113312   >>