The grid must be filled using the numbers from 1 to 9. The total for each row must be equal to the number shown to the left of the row. The total for each column must be equal to the number shown above the column. Each number must appear once, and once only, in each row or column.

Rhaid llenwi’r grid efo’r rhifau rhwng 1 a 9. Rhaid i gyfanswm bob rhes fod yn hafal i’r rhif ar ochr chwith y rhes. Rhaid i gyfanswm bob colofn fod yn hafal i’r rhif uwchben y golofn. Rhaid i bob rhif ymddangos unwaith, ac unwaith yn unig, mewn unrhyw res neu golofn.


RESETAILDDECHRAU
CHECKGWIRIO
PRINTARGRAFFU