how to combine multiple columns in to single column

Question

i have one table, in table columns contains Master,claimid,billed,paid,servicecode,reasoncodeA1,AmountA1,quanityA1,,...etc we have 9 reasoncoden,Amountn,Quantityn coumns data available. see below columns

Master,Claimid,billed,Paid,servicecode,reasoncodeA1,AmountA1,QuantityA1,ReasoncodeA2,AmountA2,QuantityA2,ReasoncodeA3,AmountA3,QuantityA3,ReasoncodeB1,AmountB1,QuantityB1,ReasoncodeB2,AmountB2,QuantityB2,ReasoncodeB3,AmountB3,QuantityB3,ReasoncodeC1,AmountC1,QuantityC1,ReasoncodeC2,AmountC2,QuantityC2,ReasoncodeC3,AmountC3,QuantityC3.

123,10160623,400,200,Hv:2309,45,100,2,125,120,3,null,-120,4,22,10,1,125,400,20,null,null,null,2,null,1,45,100,2,16,1000,4

234,10160645,500,600,sv:28902,16,100,2,null,120,3,2,-120,4,125,10,1,45,400,20,46,200,null,16,null,1,167,100,2,35,1000,4------50 rows

example_output: Reasoncode by Claimidcount

we need Reasoncodes,Claimid

Null , 10160623,10160645

45 ,10160623

125,10160623,10160645

22,10160623

2 ,10160623,10160645

16,10160645,10160623

167,10160645

35 ,10160645