v = array1d(1..3 ,[0, 0, 0]);
----------
v = array1d(1..3 ,[1, 0, 0]);
----------
v = array1d(1..3 ,[2, 0, 0]);
----------
v = array1d(1..3 ,[3, 0, 0]);
----------
v = array1d(1..3 ,[4, 0, 0]);
----------
v = array1d(1..3 ,[2, 1, 0]);
----------
v = array1d(1..3 ,[3, 1, 0]);
----------
v = array1d(1..3 ,[4, 1, 0]);
----------
v = array1d(1..3 ,[3, 2, 0]);
----------
v = array1d(1..3 ,[4, 2, 0]);
----------
v = array1d(1..3 ,[4, 3, 0]);
----------
v = array1d(1..3 ,[3, 2, 1]);
----------
v = array1d(1..3 ,[4, 2, 1]);
----------
v = array1d(1..3 ,[4, 3, 1]);
----------
v = array1d(1..3 ,[4, 3, 2]);
----------
==========