(https://drive.google.com/file/d/12U_3JBVAy0Pk0E2cyiiHEw4r6MuHduPG/view?usp=sharing)      

(https://drive.google.com/file/d/1Keq1K9gxLaW1SwYSPbUbtRjqNhr9i18z/view?usp=sharing)   
(https://drive.google.com/file/d/10_Baf2FAaOxixp0rje3cYIe4ddN5yQbB/view?usp=sharing)   

(https://drive.google.com/file/d/1lk_9jt78PUfPoTTzD4ZtpolFNb8FGWdD/view?usp=sharing)