How do I group button like shown in the image below in my macro file?
KILL _COM.CPOSXX SETUP FORM _COM.CPOSXX RESIZE AT XR0 YR0.055 SIZE 15 5 ONERROR CONTINUE TITLE | ECS TOOLBAR | HDIST 0 BUTTON _X1 |ATT | CALL |Q ATT| at x0y0 BUTTON _X2 |REF | CALL |Q CATREF| at x6y0 BUTTON _X3 |CUTL| CALL |Q CUTL| at x0y1 BUTTON _X4 |JUST| CALL |Q JUS| at x6y1 BUTTON _X5 |MEML| CALL |Q MEML| at x0Y2 BUTTON _X6 |POS | CALL |Q POS WRT/*| at at x6Y2 BUTTON _X7 |AX | CALL |AXES AT CE|AT X0Y3 BUTTON _X8 |AXOF| CALL |AXES OFF| at at x6Y3 BUTTON _X9 |0 | CALL |Bangle 0| AT X15Y0 BUTTON _X10 |90 | CALL |Bangle 90| AT X22Y0 BUTTON _X11 |-90 | CALL |Bangle -90| AT X15Y1 BUTTON _X12 |180 | CALL |Bangle 180| AT X22Y1 BUTTON _X13 |-180 | CALL |Bangle -180| AT X15Y2 BUTTON _X14 |R| CALL |ENHANCE CE COL RED| AT X15Y3 BUTTON _X15 |G| CALL |ENHANCE CE COL GREEN| AT X18Y3 BUTTON _X16 |B| CALL |ENHANCE CE COL BLUE| AT X21Y3 BUTTON _X31 |Y| CALL |ENHANCE CE COL YELLOW| AT X24Y3 BUTTON _X17 |BOX | CALL |NEW BOX| AT X32Y0 BUTTON _X18 |NBOX| CALL |NEW NBOX| AT X38Y0 BUTTON _X19 |CYL | CALL |NEW CYL| AT X32Y1 BUTTON _X20 |NCYL| CALL |NEW NCYL| AT X38Y1 BUTTON _X21 |STRU| CALL |NEW STRU| AT X32Y2 BUTTON _X22 |SUBS| CALL |NEW SUBS| AT X38Y2 BUTTON _X23 |FRMW| CALL |NEW FRMW| AT X32Y3 BUTTON _X24 |SBFR| CALL |NEW SBFR| AT X38Y3 BUTTON _X25 |FITT| CALL |NEW FITT| AT X32Y4 BUTTON _X26 |TPML| CALL |NEW TMPL| AT X38Y4 BUTTON _X27 |ADD | CALL |ADD CE| at x0y5 BUTTON _X28 |REM | CALL |REM CE| BUTTON _X29 |REM A| CALL |REM ALL| BUTTON _X30 |REM A ADD| CALL |REM ALL ADD CE| BUTTON _X32 |ADD 1000| CALL |ADD ALL WITHIN VOL CE 1000| EXIT SHOW _COM.CPOSXX $.