h1,H2,h3,H4, 4, 2, 1, 3
a1,a2,a3,  ,a5,a6,a7,a8
  ,  ,b3,b4,b5,b6,b7,b8
  ,  ,  ,  ,c5,c6,c7,"c8"",""c9",c10
  ,  ,  ,d4,d5,d6,d7,d8
  ,  ,e3,  ,e5,e6,e7,e8
A1,A2,  ,  ,5, 6 ,"7"," 8"
  ,  ,  ,  ,  ,  ,  ,  
  ,  ,  ,  ,15.1,  ,  ,18.0

a1,a2,a3,x4,x5,x6,x7,x8
a1,a2,b3,b4,y5,  ,  ,y8
a1,a2,a3,  ,z5,z6,z7,z8