C313212111133131211331333133313331333133312111133133313331333133313232212123331   >>    C31321211113313121133133313331333133313331211113313331333133313331323221212333   <<    C313212111133131211331333133313331333133312111133133313331333133313232212123333   >>      C313212111133131211331333133313331333133312111133133313331333133313232212123332   >>