Copyright Anthony P. Smith, May 2018
Minor blocks (24 changes per lead)

 No. Name                Notation                         hl le lh     RW ref

   1 Balfron Tower       -  34 -  14 - 12 - 36   -  34 -  16 12 123456 14/694
   2 Trellick Tower      -  36 -  14 - 12 - 1236 -  12 -  16 12 123456 14/694
   3 Shakespeare Tower   -  36 -  14 - 12 - 36.  14 -  34.16 16 123456 14/694
   4 Lauderdale Tower    34 -  36.14 - 12 - 36   -  14 -  56 16 123456 14/694
   5 Cromwell Tower      36 -  36.14 - 12 - 36   -  14 -  36 16 123456 14/694
   6 12 Victoria Street  36 -  36.14 - 12 - 36.  14 -  12.36 12 123456 14/694