BP1206 is the same solution but with the vertical axis instead of the NW/SE diagonal.
BP1207 is the same solution but with the horizontal axis instead of the NW/SE diagonal.
Adjacent-numbered pages: BP1210 BP1211 BP1212 BP1213 BP1214  *  BP1216 BP1217 BP1218 BP1219 BP1220
stub, notso, handed, leftright, updown, rotate, left-narrow, traditional
Aaron David Fairbanks
BP1206 is the same solution but using the vertical axis instead of the horizontal axis.
BP1215 is the same solution but with the NW/SE diagonal instead of the vertical axis.
Adjacent-numbered pages: BP1202 BP1203 BP1204 BP1205 BP1206  *  BP1208 BP1209 BP1210 BP1211 BP1212
stub, notso, stretch, left-narrow, traditional
The solution for this Bongard Problem is also a (less specific) solution for BP500, "vertical axis of symmetry vs. no axis of symmetry".
BP1207 is the same solution but using the horizontal axis instead of the vertical axis.
Adjacent-numbered pages: BP1201 BP1202 BP1203 BP1204 BP1205  *  BP1207 BP1208 BP1209 BP1210 BP1211