黑必勝！這是主要變化！
這是原來棋譜1015中，白必勝的下法。黑５跳一格才能產生四，這樣才會贏。
B wins! This is one of the major variations.
This is the White-win move in Joseki10105. However, the farther B 5 can create four, resuting in the subsequent B winning move.
