C313212111133131211331333133313331333132212113313331323221212231   >>    C31321211113313121133133313331333133313221211331333132322121223   <<    C313212111133131211331333133313331333132212113313331323221212233   >>      C313212111133131211331333133313331333132212113313331323221212232   >>