//S TileA N TileB
Section SANB
BBCAAAAAA
CBBAAAAAA
// E TileA W TileB
Section EAWB
BAABAAcAA
cAABAABAA
// W TileA E TileB
Section WAEB
AABAABAAC
AACAABAAB
// N TileA S TileB
Section NASB
AAAAAABBC
AAAAAACBB
// NW corner is TileA
Section NWA
AACAABBBB  
AABAABCBB
AACAABCBB
AAAAABCBB  
AACAABABB   
// SE corner is TileA
Section SEA
BBBBAACAA  
BBCBAABAA 
BBCBAACAA 
BBABAACAA  
BBCBAAAAA  
// NE corner is TileA
Section NEA
BAABAABBC 
CAABAABBB 
CAABAABBC  
AAABAABBC  
CAABAABBA  
// SW corner is TileA
Section SWA
BBBAABAAC  
CBBAABAAB 
CBBAABAAC 
CBBAABAAA  
ABBAABAAC  