When you scroll down on this symbol you change the next character to practice. The following table shows you what this number means.
| Number | Strictness | Letters |
| 1 | lenient | non-cursive lowercase c,a,d,o,q,g |
| 2 | lenient | non-cursive lowercase m,r,n,b,p,h |
| 3 | lenient | non-cursive lowercase e,s,f, |
| 4 | lenient | non-cursive lowercase l,I,t,j,k,u,y |
| 5 | lenient | non-cursive lowercase v,w,x,z |
| 6 | medium | numbers 0 to 9 |
| 7 | medium | uppercase C,A,D,O,Q,G |
| 8 | medium | uppercase M,R,N,B,P,H |
| 9 | medium | uppercase E,S,F |
| 10 | medium | uppercase L,I,T,J,K,U,Y |
| 11 | medium | uppercase V,W,X,Z |
| 12 | medium | non-cursive lowercase c,a,d,o,q,g |
| 13 | medium | non-cursive lowercase m,r,n,b,p,h |
| 14 | medium | non-cursive lowercase e,s,f, |
| 15 | medium | non-cursive lowercase l,I,t,j,k,u,y |
| 16 | medium | non-cursive lowercase v,w,x,z |
| 17 | lenient | cursive lowercase c,a,d,o,q,g |
| 18 | lenient | cursive lowercase m,r,n,b,p,h |
| 19 | lenient | cursive lowercase e,s,f |
| 20 | lenient | cursive lowercase l,I,t,j,k,u,y |
| 21 | lenient | cursive lowercase v,w,x,z |
| 22 | lenient | cursive lowercase c,a,d,o,q,g |
| 23 | lenient | cursive lowercase m,r,n,b,p,h |
| 24 | lenient | cursive lowercase e,s,f |
| 25 | lenient | cursive lowercase l,I,t,j,k,u,y |
| 26 | lenient | cursive lowercase v,w,x,z |
| 27 | medium | cursive lowercase c,a,d,o,q,g |
| 28 | medium | cursive lowercase m,r,n,b,p,h |
| 29 | medium | cursive lowercase e,s,f |
| 30 | medium | cursive lowercase l,I,t,j,k,u,y |
| 31 | medium | cursive lowercase v,w,x,z |
| 32 | medium | cursive lowercase c,a,d,o,q,g |
| 33 | medium | cursive lowercase m,r,n,b,p,h |
| 34 | medium | cursive lowercase e,s,f |
| 35 | medium | cursive lowercase l,I,t,j,k,u,y |
| 36 | medium | cursive lowercase v,w,x,z |