# below are the codes I found for the Murray system .They are for naval use Murray = { " " : "123456", # all open, second course, space? on standby, working "A" : "1", # upper left open, all others closed "B" : "4", # upper right open, all others closed "C" : "2", "D" : "5", "E" : "3", "F" : "6", "G" : "23456", "H" : "12356", "I" : "13456", "J" : "13456", # Not given in table, replaced by I "K" : "12346", "L" : "12456", "M" : "12345", "N" : "1456", "O" : "56", "P" : "2456", "Q" : "46", "R" : "3456", "S" : "45", "T" : "23", "U" : "1234", "V" : "1234", # not part of given code table, repaced by U "W" : "13", "X" : "1235", "Y" : "12", "Z" : "1236", "First Course" : "", "Second Couse" : "123456", "Third Course" : "456", "Fourth Course" : "123", "North" : "356", "East" : "124", "South" : "35", "West" : "26" }