#include <iostream>

int main(void)
{
int x1[4][4];
int x2[4][4];
int x3[4][4];
int x4[4][4];

typedef int (*px_t)[4];

px_t x[] = {x1, x2, x3, x4};

x[0][1][2] = 100;

std::cout << x1[1][2] << std::endl;

return 0;
}

typedefなしで書く方法がわからんorz