Added Wester test cases P10,P11,P12
Added Wester test cases P10,P11,P12

liangjiaxing/sympy,maniteja123/sympy,Titan-C/sympy,liangjiaxing/sympy,atreyv/sympy,Shaswat27/sympy,saurabhjn76/sympy,jaimahajan1997/sympy,farhaanbukhsh/sympy,atreyv/sympy,grevutiu-gabriel/sympy,jerli/sympy,beni55/sympy,maniteja123/sympy,mcdaniel67/sympy,dqnykamp/sympy,drufat/sympy,aktech/sympy,sahmed95/sympy,Vishluck/sympy,madan96/sympy,emon10005/sympy,emon10005/sympy,Titan-C/sympy,jerli/sympy,souravsingh/sympy,farhaanbukhsh/sympy,kumarkrishna/sympy,postvakje/sympy,ChristinaZografou/sympy,pbrady/sympy,AunShiLord/sympy,madan96/sympy,Gadal/sympy,AunShiLord/sympy,atsao72/sympy,Sumith1896/sympy,pandeyadarsh/sympy,shipci/sympy,meghana1995/sympy,shipci/sympy,yashsharan/sympy,vipulroxx/sympy,jamesblunt/sympy,asm666/sympy,yashsharan/sympy,abloomston/sympy,lindsayad/sympy,shikil/sympy,MechCoder/sympy,ahhda/sympy,liangjiaxing/sympy,Arafatk/sympy,drufat/sympy,cccfran/sympy,emon10005/sympy,Shaswat27/sympy,cswiercz/sympy,mafiya69/sympy,ChristinaZografou/sympy,yukoba/sympy,sampadsaha5/sympy,Curious72/sympy,chaffra/sympy,moble/sympy,iamutkarshtiwari/sympy,bukzor/sympy,hargup/sympy,sahilshekhawat/sympy,skidzo/sympy,moble/sympy,jamesblunt/sympy,oliverlee/sympy,wyom/sympy,meghana1995/sympy,jaimahajan1997/sympy,iamutkarshtiwari/sympy,abhiii5459/sympy,kaushik94/sympy,oliverlee/sympy,debugger22/sympy,Vishluck/sympy,shikil/sympy,sampadsaha5/sympy,sunny94/temp,postvakje/sympy,oliverlee/sympy,MridulS/sympy,shipci/sympy,farhaanbukhsh/sympy,jaimahajan1997/sympy,kumarkrishna/sympy,ahhda/sympy,kevalds51/sympy,rahuldan/sympy,debugger22/sympy,bukzor/sympy,MridulS/sympy,postvakje/sympy,vipulroxx/sympy,jerli/sympy,chaffra/sympy,Davidjohnwilson/sympy,Titan-C/sympy,kaushik94/sympy,sahmed95/sympy,yashsharan/sympy,kaichogami/sympy,abloomston/sympy,sahilshekhawat/sympy,rahuldan/sympy,drufat/sympy,asm666/sympy,meghana1995/sympy,abloomston/sympy,Designist/sympy,grevutiu-gabriel/sympy,hrashk/sympy,kevalds51/sympy,garvitr/sympy,toolforger/sympy,VaibhavAgarwalVA/sympy,shikil/sympy,Curious72/sympy,jbbskinny/sympy,garvitr/sympy,AkademieOlympia/sympy,sunny94/temp,mafiya69/sympy,wanglongqi/sympy,grevutiu-gabriel/sympy,Arafatk/sympy,saurabhjn76/sympy,hargup/sympy,Shaswat27/sympy,atreyv/sympy,AunShiLord/sympy,sahilshekhawat/sympy,Gadal/sympy,wyom/sympy,aktech/sympy,Curious72/sympy,AkademieOlympia/sympy,Mitchkoens/sympy,hrashk/sympy,jbbskinny/sympy,diofant/diofant,yukoba/sympy,AkademieOlympia/sympy,Sumith1896/sympy,mcdaniel67/sympy,kevalds51/sympy,lindsayad/sympy,Mitchkoens/sympy,Mitchkoens/sympy,ahhda/sympy,MridulS/sympy,cswiercz/sympy,kaushik94/sympy,skirpichev/omg,sunny94/temp,souravsingh/sympy,chaffra/sympy,VaibhavAgarwalVA/sympy,cswiercz/sympy,saurabhjn76/sympy,wanglongqi/sympy,atsao72/sympy,MechCoder/sympy,pandeyadarsh/sympy,ga7g08/sympy,Davidjohnwilson/sympy,Davidjohnwilson/sympy,souravsingh/sympy,madan96/sympy,beni55/sympy,garvitr/sympy,toolforger/sympy,atsao72/sympy,pbrady/sympy,Designist/sympy,yukoba/sympy,hargup/sympy,mafiya69/sympy,toolforger/sympy,pbrady/sympy,bukzor/sympy,ChristinaZografou/sympy,sahmed95/sympy,kaichogami/sympy,Arafatk/sympy,sampadsaha5/sympy,mcdaniel67/sympy,MechCoder/sympy,ga7g08/sympy,skidzo/sympy,skidzo/sympy,abhiii5459/sympy,debugger22/sympy,abhiii5459/sympy,beni55/sympy,ga7g08/sympy,vipulroxx/sympy,asm666/sympy,Designist/sympy,cccfran/sympy,Vishluck/sympy,Gadal/sympy,Sumith1896/sympy,jamesblunt/sympy,wanglongqi/sympy,hrashk/sympy,cccfran/sympy,dqnykamp/sympy,jbbskinny/sympy,wyom/sympy,iamutkarshtiwari/sympy,kumarkrishna/sympy,VaibhavAgarwalVA/sympy,rahuldan/sympy,maniteja123/sympy,lindsayad/sympy,kaichogami/sympy,moble/sympy,dqnykamp/sympy,aktech/sympy,pandeyadarsh/sympy