C313212111133131211331333133313331333133313231333133313331333133311222121131   >>    C31321211113313121133133313331333133313331323133313331333133313331122212113   <<    C313212111133131211331333133313331333133313231333133313331333133311222121133   >>      C313212111133131211331333133313331333133313231333133313331333133311222121132   >>