C313212111113331323312111133133313331333133313231333133313331333133313132232331   >>    C31321211111333132331211113313331333133313331323133313331333133313331313223233   <<    C313212111113331323312111133133313331333133313231333133313331333133313132232333   >>      C313212111113331323312111133133313331333133313231333133313331333133313132232332   >>