C313212111133131211331333133313331333133313231333133313331333133313232113311331   >>    C31321211113313121133133313331333133313331323133313331333133313331323211331133   <<    C313212111133131211331333133313331333133313231333133313331333133313232113311333   >>      C313212111133131211331333133313331333133313231333133313331333133313232113311332   >>