(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Method with 100s 'i++' lines for fake code coverage
Excessive lack of .startTest() and .stopTest()
Public Read/Write OWDs
Hard-coded authentication instead of using Named Credentail
SOQL without WHERE or LIMIT outside Batch
DMLs in loop
Hard-coding UI text instead of Custom Labels
Getting IDs by loop instead of Map(records)
No assertions in Tests
Multiple triggers on one sObject
No checking collection emptiness before DML
Excessive amount of System.Debug()
Nondescriptive variable names in Flow
No Fault Paths in Flows
Code in trigger instead of Trigger Handler
Only catching general catch(Exception)
Gigantic Flow instead of multiple Subflows
Unjustified big number of Record Flows on one sObject
Exactly 75% test coverage
SOQLs in loop
No flags to deactivate trigger declaratively
Calling Queueable in loop without control mechanism or logging
