DS1:
 [{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}{1, 0, 3, 3}{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}]
 [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}]
 [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}]
 [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}]