SECRET DIGIT CODE ⁉️🤔🧐🔥#00003 #mathriddles #heyriddle2

#solveme
Count the number of closed figures in digits!
1=0
2=0
3=0
4=1
5=0
6=1
7=0
8=2
9=1
So,
123=0+0+0=0
423=1+0+0=1
567=0+1+0=1
892=2+1+0=3 and
246=0+1+1=2😅