<input name="item_number_1" type="hidden" value="1">
<input name="item_name_1" type="hidden" value="Product 3">
<input name="amount_1" type="hidden" value="10.00">
<input name="quantity_1" type="hidden" value="1">
<input name="item_number_2" type="hidden" value="3">
<input name="item_name_2" type="hidden" value="Product 8">
<input name="amount_2" type="hidden" value="60.00">
<input name="quantity_2" type="hidden" value="1">
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