Problems of sing216 (36)

6911 life and death 5035 life and death 4908 life and death 4893 life and death 4881 life and death 4880 life and death 4855 life and death 4827 best move 4825 life and death 4806 life and death 4802 elementary 4745 life and death 4666 life and death 4416 tesuji 4350 life and death 4205 life and death 4131 life and death 3968 tesuji 3833 life and death 3779 tesuji 3778 tesuji 3777 tesuji 3756 elementary 3753 life and death 3722 life and death 3682 life and death 3673 life and death 3669 life and death 3661 elementary 3568 elementary 3476 best move 3441 life and death 3434 life and death 3416 elementary 3408 life and death 3407 elementary