import re

dataRaw = "08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08\n\
49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00\n\
81 49 31 73 55 79 14 29 93 71 40 67 53 88 30 03 49 13 36 65\n\
52 70 95 23 04 60 11 42 69 24 68 56 01 32 56 71 37 02 36 91\n\
22 31 16 71 51 67 63 89 41 92 36 54 22 40 40 28 66 33 13 80\n\
24 47 32 60 99 03 45 02 44 75 33 53 78 36 84 20 35 17 12 50\n\
32 98 81 28 64 23 67 10 26 38 40 67 59 54 70 66 18 38 64 70\n\
67 26 20 68 02 62 12 20 95 63 94 39 63 08 40 91 66 49 94 21\n\
24 55 58 05 66 73 99 26 97 17 78 78 96 83 14 88 34 89 63 72\n\
21 36 23 09 75 00 76 44 20 45 35 14 00 61 33 97 34 31 33 95\n\
78 17 53 28 22 75 31 67 15 94 03 80 04 62 16 14 09 53 56 92\n\
16 39 05 42 96 35 31 47 55 58 88 24 00 17 54 24 36 29 85 57\n\
86 56 00 48 35 71 89 07 05 44 44 37 44 60 21 58 51 54 17 58\n\
19 80 81 68 05 94 47 69 28 73 92 13 86 52 17 77 04 89 55 40\n\
04 52 08 83 97 35 99 16 07 97 57 32 16 26 26 79 33 27 98 66\n\
88 36 68 87 57 62 20 72 03 46 33 67 46 55 12 32 63 93 53 69\n\
04 42 16 73 38 25 39 11 24 94 72 18 08 46 29 32 40 62 76 36\n\
20 69 36 41 72 30 23 88 34 62 99 69 82 67 59 85 74 04 36 16\n\
20 73 35 29 78 31 90 01 74 31 49 71 48 86 81 16 23 57 05 54\n\
01 70 54 71 83 51 54 69 16 92 33 48 61 43 52 01 89 19 67 48"

#parses data to 2d array and converts to int
data = re.compile(r"\n").split(dataRaw)
for i in range(len(data)):
    data[i] = re.compile(r"\W+").split(data[i])
    for j in range(len(data[i])):
        data[i][j] = int(data[i][j])

biggestProduct = 0

#left/right
for i in range(len(data)):
    for j in range(len(data[i])-3):
        product = data[i][j] * data[i][j + 1] * data[i][j + 2] * data[i][j + 3]
        if product > biggestProduct:
            biggestProduct = product
        print "L/R: [" + str(i) + "][" + str(j) + "]"

print

#up/down
for i in range(len(data)-3):
    for j in range(len(data[i])):
        product = data[i][j] * data[i + 1][j] * data[i + 2][j] * data[i + 3][j]
        if product > biggestProduct:
            biggestProduct = product
        print "U/D: [" + str(i) + "][" + str(j) + "]"

print

#top-left/bottom-right
for i in range(len(data)-3):
    for j in range(len(data[i])-3):
        product = data[i][j] * data[i + 1][j + 1] * data[i + 2][j + 2] * data[i + 3][j + 3]
        if product > biggestProduct:
            biggestProduct = product
        print "TL/BR: [" + str(i) + "][" + str(j) + "]"

print

#top-right/bottom-left
for i in range(3,len(data)-3):
    for j in range(3,len(data[i])-3):
        product = data[i][j] * data[i + 1][j - 1] * data[i + 2][j - 2] * data[i + 3][j - 3]
        if product > biggestProduct:
            biggestProduct = product
        print "TR/BL: [" + str(i) + "][" + str(j) + "]"

print
print "Largest product: " + str(biggestProduct)