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with open("multimi2.in", "r") as reader:
with open("multimi2.out", "w") as writer:
n = int(reader.readline())
# 1 2 3 4 5 6 7
if n % 4 == 0:
writer.write(str(0) + "\n")
writer.write(str(n//2) + "\n")
for i in range(n//4):
writer.write(str(i + 1) + " ")
writer.write(str(n - i) + " ")
writer.write("\n");
writer.write(str(n - n//2) + "\n")
for i in range(n//4):
writer.write(str(n//4 + i + 1) + " ")
writer.write(str(n - n//4 - i) + " ")
if n % 4 == 1:
writer.write(str(1) + "\n")
writer.write(str(n//2) + "\n")
for i in range(n//4):
writer.write(str(i + 2) + " ")
writer.write(str(n - i) + " ")
writer.write("\n");
writer.write(str(n - n//2) + "\n")
writer.write("1 ")
for i in range(n//4):
writer.write(str(n//4 + i + 2) + " ")
writer.write(str(n - n//4 - i) + " ")
if n % 4 == 2:
writer.write(str(1) + "\n")
writer.write(str(n//2) + "\n")
writer.write("1 ")
for i in range(n//4):
writer.write(str(i + 3) + " ")
writer.write(str(n - i) + " ")
writer.write("\n");
writer.write(str(n//2) + "\n")
writer.write("2 ")
for i in range(n//4):
writer.write(str(n//4 + i + 3) + " ")
writer.write(str(n - n//4 - i) + " ")
if n % 4 == 3:
writer.write(str(0) + "\n")
writer.write(str(n//2 + 1) + "\n")
writer.write("1 2 ")
for i in range(n//4):
writer.write(str(i + 4) + " ")
writer.write(str(n - i) + " ")
writer.write("\n");
writer.write(str(n - n//2 - 1) + "\n")
writer.write("3 ")
for i in range(n//4):
writer.write(str(n//4 + i + 4) + " ")
writer.write(str(n - n//4 - i) + " ")
Duta Vlad Vman