C2221232323213331311331333133313231333131121132332322233123332321   >>    C222123232321333131133133313331323133313112113233232223312333232   <<    C2221232323213331311331333133313231333131121132332322233123332323   >>      C2221232323213331311331333133313231333131121132332322233123332322   >>