two aaa | bbb | ccccccc | dddddd | eee | fff | ggg | hhh | iii | jjj | kkk | lll | mmm | nnn | ooo
three aaa | bbb | ccc | ddd | eee | fff
two aaa | bbb | ccccccc | dddddd | eee | fff | ggg | hhh | iii | jjj | kkk | lll | mmm | nnn | ooo
three aaa | bbb | ccc | ddd | eee | fff