C313212111133131211331333133313331333133313331333133313231333133313123311233131   >>    C31321211113313121133133313331333133313331333133313331323133313331312331123313   <<    C313212111133131211331333133313331333133313331333133313231333133313123311233133   >>      C313212111133131211331333133313331333133313331333133313231333133313123311233132   >>