byte#[10] arr = [0,1,2,3,4,5,6,7,8,9];
byte#[10]#[10] arrarr = [
    [00,01,02,03,04,05,06,07,08,09],
    [10,11,12,13,14,15,16,17,18,19],
    [20,21,22,23,24,25,26,27,28,29],
    [30,31,32,33,34,35,36,37,38,39],
    [40,41,42,43,44,45,46,47,48,49],
    [50,51,52,53,54,55,56,57,58,59],
    [60,61,62,63,64,65,66,67,68,69],
    [70,71,72,73,74,75,76,77,78,79],
    [80,81,82,83,84,85,86,87,88,89],
    [90,91,92,93,94,95,96,97,98,99],
];
byte#[10,10] arrarr1 = arrarr;

var byte b = arr#[9];

var byte#[10] arr2 = arrarr#[9];
var byte#[10] arr3 = arrarr1#[9];

var byte c = arrarr#[9]#[9];
var byte d = arrarr#[9,9];