If we scan along the ''X'' dimension we see that the "''Y'' incidence degrees" of the ''X'' nodes 0 through 9 are 0, 1, 2, 3, 1, 1, 1, 2, 0, 0, in order. | If we scan along the ''X'' dimension we see that the "''Y'' incidence degrees" of the ''X'' nodes 0 through 9 are 0, 1, 2, 3, 1, 1, 1, 2, 0, 0, in order. |