[{"text_idx": "#000004", "text": "Blogiau ac erthyglau ar 20mya"}, {"text_idx": "#000006", "text": "A all terfyn cyflymder o 20mya leihau hollti cymunedol?"}, {"text_idx": "#000007", "text": "Pam mai arafu yw\u2019r ateb i gyflymu\u2019r adferiad wedi COVID-19"}]