????????
      ----------
GQYQU ) YMXRRPNX
       -GQYQU
        =====
         RHUQP
        -NQLQP
         =====
         MMULLN
        -MLTWLR
         ======
           UHTTX
          -QXUXT
           =====
           ?????

base: 13
symbols: GHLMNPQRTUWXY
difficulty: medium

Borrows and Takes:
=================

         ? ? ? ? ? ? ? ?
      -- - - - - - - - -
GQYQU )  Y M X R R P N X
       - G Q Y Q U
         = = = = =
           R H U Q P
         - N Q L Q P
           = = = = =
           M M U L L N
         - M L T W L R
           = = = = = =
               U H T T X
             - Q X U X T
               = = = = =
               ? ? ? ? ?

Relational Chains:
=================

  * 

NOTE: '<'  denotes EXACTLY ONE less than
      '<<' denotes SOMEWHAT less than

Range Table:
===========

      0 1 2 3 4 5 6 7 8 9 A B C 
                                

G = { 0 1 2 3 4 5 6 7 8 9 A B C }
H = { 0 1 2 3 4 5 6 7 8 9 A B C }
L = { 0 1 2 3 4 5 6 7 8 9 A B C }
M = { 0 1 2 3 4 5 6 7 8 9 A B C }
N = { 0 1 2 3 4 5 6 7 8 9 A B C }
P = { 0 1 2 3 4 5 6 7 8 9 A B C }
Q = { 0 1 2 3 4 5 6 7 8 9 A B C }
R = { 0 1 2 3 4 5 6 7 8 9 A B C }
T = { 0 1 2 3 4 5 6 7 8 9 A B C }
U = { 0 1 2 3 4 5 6 7 8 9 A B C }
W = { 0 1 2 3 4 5 6 7 8 9 A B C }
X = { 0 1 2 3 4 5 6 7 8 9 A B C }
Y = { 0 1 2 3 4 5 6 7 8 9 A B C }

Multiplication Table:
====================

[*]   1  2  3  4  5  6  7  8  9  A  B  C 
   +------------------------------------ 
 1 |  1  2  3  4  5  6  7  8  9  A  B  C
 2 |  2  4  6  8  A  C 11 13 15 17 19 1B
 3 |  3  6  9  C 12 15 18 1B 21 24 27 2A
 4 |  4  8  C 13 17 1B 22 26 2A 31 35 39
 5 |  5  A 12 17 1C 24 29 31 36 3B 43 48
 6 |  6  C 15 1B 24 2A 33 39 42 48 51 57
 7 |  7 11 18 22 29 33 3A 44 4B 55 5C 66
 8 |  8 13 1B 26 31 39 44 4C 57 62 6A 75
 9 |  9 15 21 2A 36 42 4B 57 63 6C 78 84
 A |  A 17 24 31 3B 48 55 62 6C 79 86 93
 B |  B 19 27 35 43 51 5C 6A 78 86 94 A2
 C |  C 1B 2A 39 48 57 66 75 84 93 A2 B1