[rec( blocks := [ [ 1, 2, 3 ], [ 1, 2, 3 ], [ 1, 2, 4 ], [ 1, 2, 4 ], [ 1, 3, 4 ], [ 1, 3, 4 ], [ 2, 3, 4 ], [ 2, 3, 4 ]], isBlockDesign := true, v := 4) ];