list:=[ [# 1 [ 1, 2, 3, 4 ], [ 1, 1, 3, 4 ], [ 1, 2, 1, 4 ], [ 1, 1, 1, 1 ] ], [# 2 [ 1, 2, 3, 4 ], [ 1, 1, 3, 3 ], [ 1, 2, 1, 2 ], [ 1, 1, 1, 1 ] ] ];