2x2: 39 seconds
3x3: 1 minute 8 seconds
4x4: 4 minutes 34 seconds
5x5: 13 minutes 10 seconds
6x6: 16 minutes 39 seconds
7x7: 20 minutes 47 seconds
Square 1: 10 minutes 53 seconds
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║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣
╠╗║╚╝║║╠╗║╚╣║║║║║═╣
╚═╩══╩═╩═╩═╩╝╚╩═╩═╝