Easy
2. https://bc.game/#/sd/11W4IKAQ3GHLCN
3. https://bc.game/#/sd/11W4KWFFNXT36F
10. +
Medium
2. https://bc.game/#/sd/11W8ALUG30P0AR
Hard
1. https://bc.game/#/sd/11W8AA6EXYEUUB
4. https://bc.game/#/sd/11W8B2R94NIL8J
5. https://bc.game/#/sd/11W8BUU4FAQ9RZ