C222133313331333131123313231333133313331333132332111112111111221122221   >>    C22213331333133313112331323133313331333133313233211111211111122112222   <<    C222133313331333131123313231333133313331333132332111112111111221122223   >>      C222133313331333131123313231333133313331333132332111112111111221122222   >>