101.   Bring the mixture to a boil, then reduce the heat to maintain a gentle simmer.

102.   Bring the rest of the stock to a boil, reduce heat to simmer and slowly add the polenta, stirring.

103.   Bring to a boil again, stirring occasionally, then reduce heat so mixture bubbles regularly but not furiously.

104.   Bring to a boil and reduce heat.

105.   Bring to a boil, and reduce heat to low.

106.   Bring to a boil, and reduce heat.

107.   Bring to a boil, cover pot and reduce heat.

108.   Bring to a boil, cover tightly and reduce heat to low.

109.   Bring to a boil, reduce heat so that mixture bubbles gently, and cover.

110.   Bring to a boil, reduce heat to low and simmer, salting the beans as they begin to soften.