You are playing Connect Four against Llama 3.3 70B Instruct.

Current board:
  0 1 2 3 4 5 6 
| . . O O . . . |
| . . X X . . . |
| . X X O . . . |
| . O X X . . . |
| . O O O X . . |
| . X X X O O . |
+--------------+

It's your turn (you are playing as O).

your opponent Llama 3.3 70B Instruct is playing as X.

Rules:
1. You must drop your piece in one of the available columns (0-6).
2. Your piece will fall to the lowest available position in that column.
3. The first player to connect 4 of their pieces horizontally, vertically, or diagonally wins.

Available columns: 0, 1, 4, 5, 6

Think step by step about the best move. Consider these aspects:
- Can you make a line of 4 pieces?
- Can you block your opponent from making a line of 4 pieces?
- Are you setting up future winning opportunities?
- Are you giving your opponent an advantage?

After analyzing the board, respond with a number from 0 to 6 representing your chosen column.