C313212111133131211331333133313331333133312111133133313331333133313331323122211   >>    C31321211113313121133133313331333133313331211113313331333133313331333132312221   <<    C313212111133131211331333133313331333133312111133133313331333133313331323122213   >>      C313212111133131211331333133313331333133312111133133313331333133313331323122212   >>