C313212111133131211331333133313331333133313231333133313331333133313232333221   >>    C31321211113313121133133313331333133313331323133313331333133313331323233322   <<    C313212111133131211331333133313331333133313231333133313331333133313232333223   >>      C313212111133131211331333133313331333133313231333133313331333133313232333222   >>