gistfile1.txt

sage: q = {1: [[18, 4, 19, 3], [17, 4, 18, 5]], 2: [[1, 9, 2, 8], [9, 3, 10, 2], [5, 13, 6, 12], [13, 7, 14, 6], [22, 7, 1, 8], [19, 11, 20, 10], [16, 11, 17, 12], [18, 4, 19, 3], [17, 4, 18, 5]], 3: [[1, 9, 2, 8], [9, 3, 10, 2], [5, 13, 6, 12], [13, 7, 14, 6], [22, 7, 1, 8], [19, 11, 20, 10], [16, 11, 17, 12], [21, 14, 22, 15], [20, 16, 21, 15]], 4: [[21, 14, 22, 15], [20, 16, 21, 15]]}
sage: t = {1: ['-', '+'], 2: ['-', '-', '-', '-', '+', '-', '+', '-', '+'], 3: ['-', '-', '-', '-', '+', '-', '+', '+', '-'], 4: ['+', '-']}
sage: for i in q.iterkeys():
    for j in range(len(q[i])):
        if t[i][j] == "-":
            del q[i][j][3]
            del q[i][j][0]
        elif t[i][j] == "+":
            del q[i][j][1]
            del q[i][j][0]
....:             
sage: q
{1: [[4, 19], [18, 5]],
 2: [[9, 2],
  [3, 10],
  [13, 6],
  [7, 14],
  [1, 8],
  [11, 20],
  [17, 12],
  [4, 19],
  [18, 5]],
 3: [[9, 2],
  [3, 10],
  [13, 6],
  [7, 14],
  [1, 8],
  [11, 20],
  [17, 12],
  [22, 15],
  [16, 21]],
 4: [[22, 15], [16, 21]]}
sage: