00000000000000000000
00000000001111111111
00000111110000011111
00001011110111100001
00011100111001100110
00101100111110011000
00110011011010101010
00110011101101010100
00111101000011010011
00111110000100101101
01001111001001111000
01010101010110110100
01010110100111001010
01011001101010001101
01011010011100010011
01100101101100100011
01100110011011000101
01101001010101001110
01101010100010110110
01110000110001111001
11111111111111111111
11111111110000000000
11111000001111100000
11110100001000011110
11100011000110011001
11010011000001100111
11001100100101010101
11001100010010101011
11000010111100101100
11000001111011010010
10110000110110000111
10101010101001001011
10101001011000110101
10100110010101110010
10100101100011101100
10011010010011011100
10011001100100111010
10010110101010110001
10010101011101001001
10001111001110000110
Tonchev JCT 52 A p 202 1989 #III