Paging for 2 records in a grid and << have to show like this

HI all, 

am new to this, please tell me how to give paging size of 2 in a grid and has to show "<<" like this so that another records has to show

pagingInfo: a!pagingInfo(
startIndex: 1,

i gave like this but showing 2 in agrid, but no arrow marks << 


like this i should show 1-2 of somenum > >>

kindly edit?/modify the code 

Thanks in advance

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