C313212111133131211331333133313331333133313231333133313331323221312311   >>    C31321211113313121133133313331333133313331323133313331333132322131231   <<    C313212111133131211331333133313331333133313231333133313331323221312313   >>      C313212111133131211331333133313331333133313231333133313331323221312312   >>