C313212111133131211331333133313331333133311233133313311223322121   >>    C31321211113313121133133313331333133313331123313331331122332212   <<    C313212111133131211331333133313331333133311233133313311223322123   >>      C313212111133131211331333133313331333133311233133313311223322122   >>