C22213331333133313112331323133313331333133313233121111131133133313222213221   >>    C2221333133313331311233132313331333133313331323312111113113313331322221322   <<    C22213331333133313112331323133313331333133313233121111131133133313222213223   >>      C22213331333133313112331323133313331333133313233121111131133133313222213222   >>