1 2 3 4 5
E E E E E
* X c X u
  * v c -
    * X X
      * t
        *
handedness 1 2 4 L
handedness 1 2 5 L
handedness 1 3 4 L
handedness 1 4 5 L
handedness 2 3 5 L
handedness 3 4 5 L
handedness 2 3 4 L
sheetS 1 3
sheetS 2 4 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