C22213331333133313112331323133313331333133313233121111112222233311   >>    C2221333133313331311233132313331333133313331323312111111222223331   <<    C22213331333133313112331323133313331333133313233121111112222233313   >>      C22213331333133313112331323133313331333133313233121111112222233312   >>