1 2 3 4 5 6 7 8 9

E H E H E H E H E

* T c X - T c X -

  * X X X X X X X

    * T c X - X -

      * X X X X X

        * X - X -

          * X X X

            * T c

              * X

                *

handedness 1 2 3 R

handedness 2 3 4 R

handedness 3 4 5 R

handedness 4 5 6 L

handedness 5 6 7 R

handedness 6 7 8 R

handedness 7 8 9 R

handedness 1 2 9 L

handedness 1 6 7 R

sheetS 1 3 5 7 9