C313212111133131211331333133313331333133313331323331313331323231   >>    C31321211113313121133133313331333133313331333132333131333132323   <<    C313212111133131211331333133313331333133313331323331313331323233   >>      C313212111133131211331333133313331333133313331323331313331323232   >>