Form a chain of hex pieces connecting your sides to win.

message State {
  // Required field to indicate the player who should be making the next move
  // Values = 0 or 1
  int32 player_turn_idx = 1;

  // All the pieces on the board that a player has put down. Player idx 0 tries
  // to connect left to right (column = 0 to column = 10). Plyaer idx 1 tries
  // to connect bottom to top (row = 0 to row = 10). 
  repeated Piece pieces = 2;
}

message Piece {
  // Row of the piece that has been placed. 
  int32 row = 1;

  // Column of the piece that has been placed.
  int32 column = 2;

  // value is the player_idx who placed this piece, can be 0 or 1.
  int32 value = 3;
}