C313212111133131211331333133313331333133313231333133313331333133313223121121131   >>    C31321211113313121133133313331333133313331323133313331333133313331322312112113   <<    C313212111133131211331333133313331333133313231333133313331333133313223121121133   >>      C313212111133131211331333133313331333133313231333133313331333133313223121121132   >>