C313212111133131211331333133313331333133311233133313233222332311   >>    C31321211113313121133133313331333133313331123313331323322233231   <<    C313212111133131211331333133313331333133311233133313233222332313   >>      C313212111133131211331333133313331333133311233133313233222332312   >>