C313212111133131211331333133313331333133312111133133313331333133313231323222111   >>    C31321211113313121133133313331333133313331211113313331333133313331323132322211   <<    C313212111133131211331333133313331333133312111133133313331333133313231323222113   >>      C313212111133131211331333133313331333133312111133133313331333133313231323222112   >>