```move
module solve::solve {

// [*] Import dependencies
use challenge::Otter::{Self, OTTER};

public fun solve(
_board: &mut Otter::QuestBoard,
_vault: &mut Otter::Vault<OTTER>,
_player: &mut Otter::Player,
_ctx: &mut TxContext
) {
let mut ticket = Otter::enter_tavern(_player);
Otter::buy_sword(_player, &mut ticket);
Otter::checkout(ticket, _player, _ctx, _vault, _board);

let mut i = 0;
while (i < 25) {
Otter::find_a_monster(_board, _player);
i = i + 1;
};

Otter::bring_it_on(_board, _player, 0);
Otter::return_home(_board, _player);
Otter::get_the_reward(_vault, _board, _player, _ctx);

let mut i = 0;
while (i < 24) {
let mut ticket = Otter::enter_tavern(_player);
Otter::buy_shield(_player, &mut ticket);
Otter::get_the_reward(_vault, _board, _player, _ctx);
Otter::checkout(ticket, _player, _ctx, _vault, _board);
i = i + 1;
};

let mut ticket = Otter::enter_tavern(_player);
Otter::buy_flag(&mut ticket, _player);
Otter::checkout(ticket, _player, _ctx, _vault, _board);
}
}
```