C2221232323213331311331333133313231323133313121121132332322122111   >>    C222123232321333131133133313331323132313331312112113233232212211   <<    C2221232323213331311331333133313231323133313121121132332322122113   >>      C2221232323213331311331333133313231323133313121121132332322122112   >>