The lock barrel can be encoded
X3 18d (B47)
X3 18d (N47N)
X3 18i (N20)
X3 20dX (B47)
X3 20dX (N47N)
X3 20i (N20)
X3 20iX (N20)
X3 28dX (N47N)
X3 28i (N20)
X3 28iX (N20)
X3 28iX (N52N)
X3 30dX (N57N)
X3 35dX (N57Z)
X3 35iX (N55)
X4 20dX (B47)
X4 20iX (N20)
X4 28iX (N20)
X4 30dX (N57N)
X4 35dX (N57Z)
X4 35iX (N55)
X4 M40iX (N55)