static Deflate(){
config_table=new Config[10];
// good lazy nice chain
config_table[0]=new Config(0, 0, 0, 0, STORED);
config_table[1]=new Config(4, 4, 8, 4, FAST);
config_table[2]=new Config(4, 5, 16, 8, FAST);
config_table[3]=new Config(4, 6, 32, 32, FAST);
config_table[4]=new Config(4, 4, 16, 16, SLOW);
config_table[5]=new Config(8, 16, 32, 32, SLOW);
config_table[6]=new Config(8, 16, 128, 128, SLOW);
config_table[7]=new Config(8, 32, 128, 256, SLOW);
config_table[8]=new Config(32, 128, 258, 1024, SLOW);
config_table[9]=new Config(32, 258, 258, 4096, SLOW);
}