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| Easy | Medium | Hard | |
| #1 | Level_1p | Level_11p | Level_21p |
| #2 | Level_2p | Level_12p | Level_22p |
| #3 | Level_3p | Level_13p | Level_23p |
| #4 | Level_4p | Level_14p | Level_24p |
| #5 | Level_5p | Level_15p | Level_25p |
| #6 | Level_6p | Level_16p | Level_26p |
| #7 | Level_7p | Level_17p | Level_27p |
| #8 | Level_8p | Level_18p | Level_28p |
| #9 | Level_9p | Level_19p | Level_29p |
| #10 | Level_10p | Level_20p | Level_30p |
| #11 | Level_31p | ||
| #12 | Level_32p | ||
| #13 | Level_33p | ||
| #14 | Level_34p | ||
| #15 | Level_35p | ||
| #16 | Level_36p | ||
| #17 | Level_37p | ||
| #18 | Level_38p | ||
| #19 | Level_39p | ||
| #20 | Level_40p |
