Zhong style room

One day you are invited to participate in a mysterious challenge. The challenge reads, "Pass the Five Elements Challenge Gold Wood Water Fire and Earth. Solve the final puzzle afterwards and you will be rewarded with a rare and treasured mahjong tile." Following the instructions you arrive at a red-style mansion. But after entering the door gradually you feel a blur of consciousness. When you wake up you perceive that you are already in the middle of the challenge room. Go and solve the challenges to get the final reward. Enjoy the room and have fun! Any feedback appreciated! The Hints is on the top of the discussion. 中文版 / Chinese Version: https://steamcommunity.com/sharedfiles/filedetails/?id=2739120576 #Update: Modified the hints for fire points (rings) and the puzzle for jars. The Hints and solutions in the discussion are also updated. #Update: Modified the hints for fire points (rings). And modified some slot size so that things can be easier assembled. #Update: Found the reason of the BUG of brush kept on the ceiling, modified the implementation to reduce the probability of the bug appearance.