Uunissa Paistettu Hauki (Baked Stuffed Pike)

3 quarts boiling salted water

2/3 cup rice

1 large cucumber; peeled -- seeded and chopped 1/4 teaspoon salt

2 hard-cooked eggs -- coarsely

2 tablespoons butter

1/2 cup onions -- finely chopped

1/2 cup parsley -- finely chopped

1/4 cup chives -- finely chopped

1 tablespoon salt

1/8 teaspoon white pepper

1 tablespoon heavy cream -- (to 3 tb)

8 tablespoons butter -- (a 1/4-lb stick)

6 tablespoons dry bread crumbs

3 pounds pike -- cleaned and scaled --

1/2 cup boiling water