I'll open with
(2 3 $ <@|:@(6 5&($!._))@:>:@I."1@|.)&.|: #: >: i. 60
+-+-+
|1 11 21 31 41 51 | 8 13 26 31 44 57|
|3 13 23 33 43 53 | 9 14 27 40 45 58|
|5 15 25 35 45 55 |10 15 28 41 46 59|
|7 17 27 37 47 57 |11 24 29 42 47 60|
|9 19 29 39 49 59 |12 25 30 43 56
https://ibb.co/XLn0bxH
The each of the 6 cards is missing a number that is present in the
remaining 5 cards.
By asking a player a number is present in the card or not, the number can
be deducted. Eg, 55 is missing in the top left card.
The problem is to generate all 6 cards in J.
