C313212111133131211331333133313331333133313231333133313331333133313232332223231   >>    C31321211113313121133133313331333133313331323133313331333133313331323233222323   <<    C313212111133131211331333133313331333133313231333133313331333133313232332223233   >>      C313212111133131211331333133313331333133313231333133313331333133313232332223232   >>