C313212111133131211331333133313331333133311233133313232321131233131   >>    C31321211113313121133133313331333133313331123313331323232113123313   <<    C313212111133131211331333133313331333133311233133313232321131233133   >>      C313212111133131211331333133313331333133311233133313232321131233132   >>