s/^/0123456789/
h
:
/19/{y/12/21/
H}
/29/{y/23/32/
H}
/39/{y/34/43/
H}
/49/{y/45/54/
H}
/59/{y/56/65/
H}
/69/{y/67/76/
H}
/79/{y/78/87/
H}
y/89/98/
H
g
/09/!b
s/\n0.....[6-9]\w*//g
s/\n0.1.2[^3]\w*//g
s/\n0.\(..\)\?[3-9]\w*//g
s/\w*[6-9].\n//g
Note that non-ascii characters in the above source code will be escaped (such as \x9f).