German Pumpernickel Bread

• 1 caraway seed
• 475 ml water
• 375 gr stirred rye flour
• 375 gr sifted all-purpose flour
• 60 ml molasses
• 55 gr butter
• 26 gr sugar
• 22 gr unsweetened cocoa
• 4 gr salt
• 2 packages dry yeast (active)