b -1;//0
b 0;//1
b b,LR;
b2 b,LR;
b b2,LR;
b b,LR;
br b,LR;
br2 br,LR;
br br2,LR;
br2 br,LR;
bG00 b;
bG01 bG00,;
bG02 bG01,;
bG03 bG02,;
bG04 bG03,;
bG05 bG04,;
bG06 bG05,;
bG07 bG06,;
bG08 bG07,;
bG09 bG08,;