The free tetracubes from two complete sets of corresponding tetrominos can also fit into 2 × 4 × 5 and 2 × 2 × 10 boxes . The free tetracubes from two complete sets of corresponding tetrominoes can also fit in 2 × 4 × 5 and 2 × 2 × 10 boxes . The corresponding tetracubins from two complete sets of free tetrominos can also fit in 2 × 4 × 5 and 2 × 2 × 10 boxes :