C22213331333133313112331323133313331333133313233121111121133311   >>    C2221333133313331311233132313331333133313331323312111112113331   <<    C22213331333133313112331323133313331333133313233121111121133313   >>      C22213331333133313112331323133313331333133313233121111121133312   >>