Mon 18 November 2019 analysis Christophe Revisiting xmas kindle draw Improving, revisiting and digging into xmas draws.
Thu 07 November 2019 analysis Christophe Completing Panini albums How many packet do you need to complete a panini stickers album ?
Mon 24 December 2018 python Christophe A simple way to draw for Christmas Kindle A much simpler Christmas kindle draw by simple permutation (sample).