printf("Player blocks last field: %s\n", (level->block_last_field ? "yes" : "no"));
printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
printf("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
printf("Player blocks last field: %s\n", (level->block_last_field ? "yes" : "no"));
printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
printf("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));