*label save_chapter1
*set save_variable_1_chapter1 variable_1
*set save_variable_2_chapter1 variable_2
*set save_dog_petted_chapter1 dog_petted
*set save_met_dog_chapter1 met_dog
*set save_butterfly_caught_chapter1 butterfly_caught
*return

*label save_chapter2
*set save_variable_1_chapter2 variable_1
*set save_variable_2_chapter2 variable_2
*set save_dog_petted_chapter2 dog_petted
*set save_met_dog_chapter2 met_dog
*set save_butterfly_caught_chapter2 butterfly_caught
*return

*label save_chapter3
*set save_variable_1_chapter3 variable_1
*set save_variable_2_chapter3 variable_2
*set save_dog_petted_chapter3 dog_petted
*set save_met_dog_chapter3 met_dog
*set save_butterfly_caught_chapter3 butterfly_caught
*return

*label load_chapter1
*set variable_1 save_variable_1_chapter1
*set variable_2 save_variable_2_chapter1
*set dog_petted save_dog_petted_chapter1
*set met_dog save_met_dog_chapter1
*set butterfly_caught save_butterfly_caught_chapter1
*return

*label load_chapter2
*set variable_1 save_variable_1_chapter2
*set variable_2 save_variable_2_chapter2
*set dog_petted save_dog_petted_chapter2
*set met_dog save_met_dog_chapter2
*set butterfly_caught save_butterfly_caught_chapter2
*return

*label load_chapter3
*set variable_1 save_variable_1_chapter3
*set variable_2 save_variable_2_chapter3
*set dog_petted save_dog_petted_chapter3
*set met_dog save_met_dog_chapter3
*set butterfly_caught save_butterfly_caught_chapter3
*return