1 2 3 4 5
H E E H H
* T X X u
  * t X X
    * T X
      * v
        *
handedness 1 2 4 L
handedness 1 2 5 L
handedness 1 3 4 L
handedness 1 3 5 L
handedness 2 3 5 R
handedness 2 4 5 R
handedness 3 4 5 L
handedness 1 2 3 L
handedness 2 3 4 R
sheetS 2 3
length 1 H 8 100
length 2 E 5 100
length 3 E 5 100
length 4 H 8 100
length 5 H 8 100