C313212111133131211331333133313331333133313231333133313331333133313231123312231   >>    C31321211113313121133133313331333133313331323133313331333133313331323112331223   <<    C313212111133131211331333133313331333133313231333133313331333133313231123312233   >>      C313212111133131211331333133313331333133313231333133313331333133313231123312232   >>