@1JRzcAOQCRbratOuMA4H
21. 2 -> 5, 8, 11, 14, 17, 20, 23 3 -> 8,13, 18, 23 2 -> 9, 16, 23 jadi awalnya 23. di kotak no 4 bisa diambil 9*2 -> sisa 5. 22. Badu men...