import openpyxl, sys
sys.stdout.reconfigure(encoding='utf-8')
wb=openpyxl.load_workbook(r'충청남도_서천군.xlsx'); ws=wb.active
def merged_at(r,c):
    for m in ws.merged_cells.ranges:
        if m.min_row<=r<=m.max_row and m.min_col<=c<=m.max_col:
            return f'{openpyxl.utils.get_column_letter(m.min_col)}{m.min_row}:{openpyxl.utils.get_column_letter(m.max_col)}{m.max_row}'
    return ''
def show(lo,hi):
    for r in range(lo,hi+1):
        vals=[]
        for c in range(4,9): # D E F G H
            v=ws.cell(r,c).value
            mg=merged_at(r,c)
            tag=f'{openpyxl.utils.get_column_letter(c)}={str(v)[:14]}' if v is not None else (f'{openpyxl.utils.get_column_letter(c)}~{mg}' if mg else '')
            if tag: vals.append(tag)
        L=ws.cell(r,12).value; M=ws.cell(r,13).value
        print(f'R{r:>3} L={L} M={M} | '+' | '.join(vals))
for a,b in [(13,18),(55,60),(93,96),(183,184),(192,195),(267,270)]:
    print(f'--- {a}-{b} ---'); show(a,b)