return [[ 0, 0, 0, 0 ], [ 0, 2, 0, 0 ], [ 0, 4, 0, 0 ], [ 0, 6, 0, 0 ], [ 0, 12, 0, 0 ], [ 0, 18, 0, 0 ], [ 0, 36, 0, 0 ], [ 27, 0, 0, 0 ], [ 27, 2, 0, 0 ], [ 27, 4, 0, 0 ], [ 27, 6, 0, 0 ], [ 27, 12, 0, 0 ], [ 27, 18, 0, 0 ], [ 27, 36, 0, 0 ]];;