cat<<_|grep -o 'x=.*>'|cut -c4-|sort -n|grep -o '>.</t'|cut -c2

grep -o 'x=.*>'|cut -c4-|sort -n|grep -o '>.</t'|cut -c2

<?xml...
</svg>
_

q"x="/2>{'"/1=i}${'>/1=c}/

q     e# Read all input from STDIN.
"x="/ e# Split it at occurrences of "x=".
2>    e# Discard the first two chunks (head and container).
{     e# Sort the remaining chunks by the following key:
  '"/ e#   Split at occurrences of '"'.
  1=  e#   Select the second chunk (digits of x="<digits>").
  i   e#   Cast to integer.
}$    e#
{     e# For each of the sorted chunks:
  '>/ e#   Split at occurrences of '>'.
  1=  e#   Select the second chunk.
  c   e#   Cast to character.
}/    e#

l=[],r=/x="(d*).*>(.)/g;while(e=r.exec(document.lastChild.innerHTML))l[e[1]]=e[2];l.join``

import re,sys
print''.join(t[1] for t in sorted(re.findall(r'(d+), -d+)">(.)</t',sys.stdin.read()),key=lambda t:int(t[0])))

""<>(v=ImportString[#~StringDrop~157,"XML"][[2,3,4;;;;2]])[[;;,3]][[Ordering[FromDigits/@v[[;;,2,2,2]]]]]&