Ошибка в программе

>>> from random import randint
>>> m = [[randint(0,1) for j in range(4)] for i in range(3)]
>>> m
[[0, 0, 0, 0], [0, 1, 0, 1], [1, 1, 1, 0]]

matrix = []
 
for i in range(64):
    x1=bynaryArray[i][0]
    x2=bynaryArray[i][1]
    x3=bynaryArray[i][2]
    x4=bynaryArray[i][3]
    x5=bynaryArray[i][4]
    x6=bynaryArray[i][5]
    variableArray = [x1,x2,x3,x4,x5,x6]
    matrixArray = []
    matrixArray.append(1)
    
    for j in range(6):
        matrixArray.append(variableArray[j])
    
    for i1 in range(6):
        for i2 in range(6):
            if (i1 < i2):
                matrixArray.append((variableArray[i1]*
                    variableArray[i2]))
    
    for i1 in range(6):
        for i2 in range(6):
            for i3 in range(6):
                if ((i1<i2) & (i2 < i3)):
                    matrixArray.append((variableArray[i1]*
                        variableArray[i2]*variableArray[i3]))
 
    matrix.append(matrixArray)
    matrixArray = []

>> m = [[i+j for  j in range(4)] for i in range(3)]
>>> m
[[0, 1, 2, 3], [1, 2, 3, 4], [2, 3, 4, 5]]
>>> for i in range(3):
    for j in range(4):
        print(m[j][i],end= ' ')#индексы перепутаны
 
        
0 1 2 Traceback (most recent call last):
  File "<pyshell#20>", line 3, in <module>
    print(m[j][i],end= ' ')
IndexError: list index out of range
>>>