Sample 11-16: Keyed Column and Row Headings

 1 7777777777777777777777777777777777   #--
 2 ⠀⠀⠀⠀,,sat ,scores 0,race & ,e?nic;y
 3 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 4 ⠀⠀⠀⠀⠀⠀,',key 6column & r[ h1d+s3
 5 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 6 ⠀⠀⠀⠀,column h1d+s
 7 mms ,,sat ,ma? ,m1n ,scores
 8 rec ,racial_/,e?nic ,category
 9 vms ,,sat ,v]bal ,m1n ,scores
10 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
11 ⠀⠀⠀⠀,r[ h1d+s
12 aam ,african ,am]ican
13 nan ,native ,am]ican or ,alaskan ,native
14 wht ,:ite 7exclud+ ,lat9o orig97,'
15 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
16 rec  vms   mms   totals
17 "33  "333  "333  "33333
18 nan  #dhb  #dha  #ifc
19 aam  #dcd  #dbf  #hfj
20 wht  #ebh  #ecj  #ajeh
21 gggggggggggggggggggggggggggggggggggggggg
22 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀