unsigned long xor128(){
static unsigned long x=123456789,y=362436069,z=521288629,w=88675123;
unsigned long t;
t=(x^(x<<11));x=y;y=z;z=w; return( w=(w^(w>>19))^(t^(t>>8)) );
}


x
11101011011 1100110100010101

y
10101100110100101010111100101

z
11111000100100011101110110101

w
10101001 0010001001100110011

tの初期値が種？