C313212111133131211331333133313331333131121133133311233132313223313331122211   >>    C31321211113313121133133313331333133313112113313331123313231322331333112221   <<    C313212111133131211331333133313331333131121133133311233132313223313331122213   >>      C313212111133131211331333133313331333131121133133311233132313223313331122212   >>