C313212111133131211331333133313331333133313231333133313331333133313112211221311   >>    C31321211113313121133133313331333133313331323133313331333133313331311221122131   <<    C313212111133131211331333133313331333133313231333133313331333133313112211221313   >>      C313212111133131211331333133313331333133313231333133313331333133313112211221312   >>