rrentRightTable, rightOffset);
        }
    };
    document.getElementById('end_right').onclick = () => {
        if (rightOffset < currentRightTable.size) {
            rightOffset = Math.max(0, rightOffset.size - PAGE_SIZE);
            load(currentRightTable, rightOffset);
        }
    };

    document.getElementById('snapshot').onclick = () => {
        if (currentLeftTable && currentRightTable) {
            let stampColumns = stampColumnsInput.value.length > 0 ? stampColumnsInput.value.split(",") : 