37 creatures of size 11:
  0a+1a+2a+2a+5c+3b+5a+3a+3c+4c
  0a+1a+2b+2a+5b+4b+4a+3a+3c+5b
  0a+1a+2b2c+2b+5c+4a+2c+5a+4b
  0a+1a+2a+2b+3a+5b+4c+2b+5c------3c
  0b+1b+2c+2c+2b+2a2a+5b--3b--3c
  0a+1a+2c+4c+3b+5a+3c+4c+3c2a
  0a+1a+2a+2b+3a+4a+4b+5a+2b------3c
  0a+1a+2b2b+4a+2b+4c+5b+3a+4b
  0a+1a+2b+5c+2b+5a+3c+4c+4b+5a
  0a+1a+2b2b+4a+3c+4c+4a+5c+2b
  0a+1a+2a+2a+5c+3c+3b+5c+4c------3c
  0a+1a+2a+2b+2c+4a+5c+3b+4b------3c
  0a+1a+2a+2a+5c+2a+4b+5a+3c------3c
  0a+1a+2c+3a+4b+5a+3c+3b+3c+5b
  0a+1a+2c+4b+4b+4a+3c+5b+2c2b
  0a+1a+2a+2a+5c+3b+4b+4c+5b------3c
  0a+1a+2b+5a+2b+5a+3c+4c+4b+5c
  0a+1b+2b+5c+2b+5a+3c+4c+4b+5a
  0a+1a+2b+5b+4a+3a+3c+5b+3a+5b
  0a+1a+2c+4b+5a+2b+4c+4c+4b+5b
  0a+1a+2b2b+3c+2b+5c+4c+4b+3b
  0a+1a+2b2b+3b+4a+3c+5a+4b+2b
  0a+1a+2a+2a+5b--3a+3c+4c+4a+5c
  0a+1a+2a+2a+4a+4c+3b+5c+4a------3c
  0a+1a+2a+2a+5c+3b+5c----2b+4c+5b
  0a+1a+2a+2a+4a+3a+4b+5a+3a------3c
  0a+1c+2c+4c+3b+5c+4a+2a+3c+5b
  0a+1a+2c+4b+5a+3a+3a+3c+5a+4b
  0a+1b+2c+4b+5a+3a+3a+3c+5a+4b
  0a+1a+2c+4c+3b+5c+4a+2a+3c+5b
  0a+3c+5b+2c+4a+5c+2a+4c+3b2b
  0a+3c+5b+3a+4b+2a+5b+4c+2b2a
  0a+1c+2a+2c+2c+2b+3a+2c-2a--3b
  0a+1b+2c+4c+3b+5c+4a+2a+3c+5b
  0a+1b+2c+3a+4b+5a+3a+3a+3c+5b
  0a+1c+2a+2c+2a+2c+3b+2c3a---3b
  0a+3a+3c+5b+3a+5c+2b+2a+5c+3b