C22213331333133313112331323133313331333133313233121133133313121233221   >>    C2221333133313331311233132313331333133313331323312113313331312123322   <<    C22213331333133313112331323133313331333133313233121133133313121233223   >>      C22213331333133313112331323133313331333133313233121133133313121233222   >>