LTC3603 Date Codes

Can anyone please assist me with decoding the date codes from the following images of LTC3603:

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    •  Analog Employees 
    Jan 25, 2021 +1 verified

    Hi CQ@CostarTech,

    The date code is the first two digits of 4-digit code. Example: 4C73 is year 2014, month of March.

    1st digit = last digit of the Year
    2nd digit = Month, where A = Jan, B = Feb, ….L = D…