C2221232323213331311331333133313231323133313221213231231132332331   >>    C222123232321333131133133313331323132313331322121323123113233233   <<    C2221232323213331311331333133313231323133313221213231231132332333   >>      C2221232323213331311331333133313231323133313221213231231132332332   >>