00000000 R
00000001 R  double
00000010 L
00000011 L  double
00000100 T
00000101 T  double
00000110 B
00000111 B  double
00001000 UR
00001001 UR double
00001010 UL
00001011 UL double
00001100 LR
00001101 LR double
00001110 LL
00001111 LL double
