{#if board[10] != null}
{/if}
{#if board[21] != null}
{/if}
{#if board[32] != null}
{/if}
{#if board[43] != null}
{/if}
{#each Array(5) as _, r}
{#each Array(10) as _, c}
{#if board[calculateMidNumber(r, c)] != null}
{/if}
{/each}
{/each}