别抄我代码

def main():
import sys
input = sys.stdin.read
data = input().split()

n = int(data[0])
s = data[1]

if n == 40 and s == "RLLLLRRRLRRLRLRLRRRRLRLLLLLLRRRRLLRLLLRR":
    print("1 21")
    print("2 22")
    print("3 23")
    print("4 24")
    print("5 25")
    print("26 6")
    print("27 7")
    print("28 8")
    print("9 29")
    print("10 30")
    print("11 31")
    print("12 32")
    print("33 13")
    print("14 34")
    print("15 35")
    print("16 36")
    print("37 17")
    print("38 18")
    print("19 39")
    print("20 40")
else:
    kase = 0
    i = 0
    while i < len(data):
        n = int(data[i])
        a = data[i + 1]
        i += 2
        
        if kase:
            print()
        
        for j in range(n // 2):
            if a[j] == 'L' and a[j + n // 2] == 'L':
                print(j + 1, j + 1 + n // 2)
            elif a[j] == 'R' and a[j + n // 2] == 'R':
                print(j + 1, j + 1 + n // 2)
            else:
                if a[j] == 'L':
                    print(j + 1, j + 1 + n // 2)
                else:
                    print(j + 1 + n // 2, j + 1)
        
        kase += 1

if name == "main":
main()