What was the next number or numbers that you KNEW had to go and where did you place them??
I mean I know r1c1 c2
c3 c4c5 c6c7 c8c9 c10c11 c12c13 c14c15 c16c17 c18c19 c20c21 c22c23 c24c25 c26c27 c28c29 c30c31 c32c33 c34