19

 

so so so so so so so so

so       plane       so

so       plane       so

so  some plane some  so

to  some       some  to

to  some       some  to

to  some plane some  to

to       plane       to

to   all plane all   to

to   all       all   to

to   all plane all   to

to       plane       to

so    by plane by    so

so    by plane by    so

so       plane       so

so so to to to to so so