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| Easy | Medium | Hard | |
| #1 | -=level_1=-p | -=level_11=-p | -=level_31=-p |
| #2 | -=level_2=-p | -=level_12=-p | -=level_32=-p |
| #3 | -=level_3=-_p | -=level_13=-p | -=level_33=-p |
| #4 | -=level_4=-p | -=level_14=-p | -=level_34=-p |
| #5 | -=level_5=-p | -=level_15=-p | -=level_35=-p |
| #6 | -=level_6=-p | -=level_16=-p | -=level_36=-p |
| #7 | -=level_7=-p | -=level_17=-p | -=level_37=-p |
| #8 | -=level_8=-p | -=level_18=-p | -=level_38=-p |
| #9 | -=level_9=-p | -=level_19=-p | -=level_39=-p |
| #10 | -=level_10=-p | -=level_20=-p | -=level_40=-p |
| #11 | -=level_21=-p | ||
| #12 | -=level_22=-p | ||
| #13 | -=level_23=-p | ||
| #14 | -=leve_24=-p | ||
| #15 | -=level_25=-p | ||
| #16 | -=level_26=-p | ||
| #17 | -=level_27=-p | ||
| #18 | -=level_28=-_p | ||
| #19 | -=level_29=-p | ||
| #20 | -=level_30=-p |
