School,Doodles on the Blackboard,graffiti on blackboard,graffiti drawn on blackb

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(worst quality,low quality:1.1),(bad_prompt:0.7),((bad fingers)),(extra fingers),(missing fingers),simple background,multiple ears,muscles,ugly,blurry,bad anatomy,bad hands,text,logo,lowres,watermark,extra arms,missing arms,extra legs,(bad quality,worst quality,low quality,bad anatomy,bad hand:1.3),lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, artist name,