1 2 3 4 5
E E E E E
* X c - u
  * X u t
    * t X
      * X
        *
handedness 1 2 3 R
handedness 1 2 4 R
handedness 1 4 5 L
handedness 2 3 4 R
handedness 2 3 5 L
handedness 3 4 5 L
handedness 1 3 5 L
sheetS 1 3 4
sheetS 2 5
sheetD 1 2
length 1 E 5 100
length 2 E 5 100
length 3 E 5 100
length 4 E 5 100
length 5 E 5 100