See BP334 for a version of the same idea, but using dots instead of arbitrary shapes.
Adjacent-numbered pages: BP197 BP198 BP199 BP200 BP201  *  BP203 BP204 BP205 BP206 BP207
noisy, number, traditional
Giuseppe Insana
Adjacent-numbered pages: BP217 BP218 BP219 BP220 BP221  *  BP223 BP224 BP225 BP226 BP227
traditional