>  EEEEEEEΔΔΘς       v
v  ςΘΔEEEEEEEEEE     <
>  EEEEEEEEEEEδδΘς   v
v  ΘδδEEEEEEEEEEEς   <
>  ς EEEEEEEEEEEΔΘ   v
v  ΘΔΔΔΔEEEEς        <
>  ςEEEΔΔΘ           v
v  ΘδEEEEEEEEEEEEς   <
>  ςEEEEEEEEEEEΔΘ    v
v  ΘΔΔΔΔEEEEEEEEEEEς <
>  ςEEEEEEEEEEEδδΘ   v
v  ΘEEEEEEEEEEς      <
>  ςEEEΔΔΔΘ          λ