1. Sentences 1, 2, 10, and 11 together have a total of 122 0s, 1001 1s, and 121 2s.
2. Sentences 2, 10, and 11 together have a total of 111 0s, 200 1s, and 102 2s.
10. Sentence 2 has 20 more 1s than this sentence, which has only 2 1s.
11. The sum of all the numbers (e.g. 2 + 11 + 10 = 100) in sentences 1, 2, 10, and 11, minus the last number in this sentence, is 20020.