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| Easy | Medium | Hard | |
| #1 | 1p | 6p | 11p |
| #2 | 2p | 7p | 12p |
| #3 | 3p | 8p | 13p |
| #4 | 4p | 9p | 14p |
| #5 | 5p | 10p | 15p |
| #6 | 16p | ||
| #7 | 17p | ||
| #8 | 18p | ||
| #9 | 19p | ||
| #10 | 20p | ||
| #11 | 21p | ||
| #12 | 22p | ||
| #13 | 23p | ||
| #14 | 24p | ||
| #15 | 25p | ||
| #16 | 26p | ||
| #17 | 27p | ||
| #18 | 28p | ||
| #19 | 29p | ||
| #20 | 30p | ||
| #21 | 31p | ||
| #22 | 32p | ||
| #23 | 33p | ||
| #24 | 34p | ||
| #25 | 35p | ||
| #26 | 36p | ||
| #27 | 37p | ||
| #28 | 38p | ||
| #29 | 39p | ||
| #30 | 40p | ||
| #31 | 41p | ||
| #32 | 42p | ||
| #33 | 43p | ||
| #34 | 44p | ||
| #35 | 45p | ||
| #36 | 46p | ||
| #37 | 47p | ||
| #38 | 48p | ||
| #39 | 49p | ||
| #40 | 50p |
