!set gl_n=!randint 3,10
!set gl_m=!randint 3,10

!set gl_L=A,B,C,D,R,F,G,H,I,J
!set gl_A=!shuffle $gl_L
!set gl_A=$(gl_A[1..$gl_n])
!set gl_A=!sort item $gl_A
!set gl_B=!shuffle $gl_L
!set gl_B=$(gl_B[1..$gl_m])
!set gl_B=!sort item $gl_B

!set gl_I=!listintersect $gl_A and $gl_B
!set gl_U=!listuniq $gl_A,$gl_B
!set gl_I=!sort item $gl_I
!set gl_U=!sort item $gl_U
