This corresponds to $FC24 in the ZX Spectrum version.

Used by little boy no. 1 in lessons $E2, $E7, $EA, $EB, $ED and $F0; by little boy no. 2 in lessons $E2, $E4, $E8, $EC and $F0; by little boy no. 3 in lessons $E2, $E4 and $E7; by little boy no. 4 in lessons $E2, $E4, $E5, $EB, $EC and $F0; by little boy no. 5 in lessons $E2, $E7, $E9 and $ED; by little boy no. 6 in lessons $E5 and $EE; by little boy no. 7 in lessons $E5, $E8, $EB and $EF; by little boy no. 8 in lessons $E5, $E7, $EC, $EE and $F0; by little boy no. 9 in lessons $ED, $EF and $F0; by little boy no. 10 in lessons $EB and $EE; and by little boy no. 11 in lessons $E8, $E9, $EA and $F2.