@@40@@ /\W17(th)?\scentury/ 15 /\W16\d\d\W/ -10 /\W15(0|1|2|3|4)\d\W/ -10 /\W17(5|6|7|8|9)\d\W/ -10 /\W(12|13|14|15|16|18|19|20)(th)?\scentury/ -10 /\W1(1|2|3|4|8)\d\d\W/