Put differently, if the examples are imagined to be arrangements of rigid sticks/hoops/etc resting on a flat surface, positive examples include sticks/hoops/etc that could be picked up without disturbing the other objects.
Adjacent-numbered pages: BP1130 BP1131 BP1132 BP1133 BP1134  *  BP1136 BP1137 BP1138 BP1139 BP1140
precise
Leo Crabbe
Adjacent-numbered pages: BP1178 BP1179 BP1180 BP1181 BP1182  *  BP1184 BP1185 BP1186 BP1187 BP1188
precise, arbitrary, pixelperfect, contributepairs, right-couldbe, preciseworld