G2A G2B G1 C B A YO Y1 Y2 Y3 Y4 Y5 Y6 Y7 1××XXX11111 ⅩXⅩ 1111111 XX0XX×111111|11 00100001111111 00100110111111 00101011011111 0010111110 11 111 00110011110111 00110111111011 00111011111101 00111011111110G2A G2B G1 C B A Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 1 X X X X X 1 1 1 1 1 1 1 1 X 1 X X X X 1 1 1 1 1 1 1 1 X X 0 X X X 1 1 1 1 1 1 1 1 0 0 1 0 0 0 0 1 1 1 1 1 1 1 0 0 1 0 0 1 1 0 1 1 1 1 1 1 0 0 1 0 1 0 1 1 0 1 1 1 1 1 0 0 1 0 1 1 1 1 1 0 1 1 1 1 0 0 1 1 0 0 1 1 1 1 0 1 1 1 0 0 1 1 0 1 1 1 1 1 1 0 1 1 0 0 1 1 1 0 1 1 1 1 1 1 0 1 0 0 1 1 1 0 1 1 1 1 1 1 1 0