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| Easy | Medium | Hard | |
| #1 | 1p | 2p | 3p |
| #2 | _1p | _2p | _3p |
| #3 | _1p | _2p | _3p |
| #4 | _1p | _2p | _3p |
| #5 | _1p | _2p | _3p |
| #6 | __1p | _2p | _3p |
| #7 | __1p | _2p | _3p |
| #8 | __1p | _2p | _3p |
| #9 | __1p | _2p | _3p |
| #10 | __1p | _2p | _3p |
| #11 | __1p | _2p | _3p |
| #12 | __1p | _2p | _3p |
| #13 | _2p | _3p | |
| #14 | _2p | _3p | |
| #15 | _2p | _3p | |
| #16 | _3p | ||
| #17 | _3p |