27.04.2016, 06:19
The minimal sum of n grey digits on a diagonal is Always 1 + 2 + ... + n.
The maximal sum of n grey digits on a diagonal is Always 9 + 8 + ... + (10 - n).
In case of the diagonal Z8S1 - Z9S2 the minimal sum is 3.
The maximal sum of n grey digits on a diagonal is Always 9 + 8 + ... + (10 - n).
In case of the diagonal Z8S1 - Z9S2 the minimal sum is 3.