C array initialization

har tab[][4] =
{
//   0 1 2 3
    {7,1,2,0}, //0 start here v=3
    {3,1,7,0}, //1 3*1(-0-2-3 -1
    {4,7,2,0}, //2 3*2(-0-1-3
    {3,1,5,7}, //3 3-1*0(-2-3 -1
    {4,6,2,7}, //4 3-2*0(-1-3
    {3,7,5,8}, //5 3-1-0*2(-3 -1
    {4,6,7,9}, //6 3-2-0*1(-3
};