Tohu-Wa-Vohu

Tohu-Wa-Vohu (Binairo, Binary Puzzles, Brain Snacks, Tic-Tac-Toe) is a logic puzzle. Enter a tohu or a vohu in each cell so that there is no sequence of more than two tohos or vohus in a row or column.

Rules: Place either a Tohu or a Vohu in each cell of the grid, with the same number of each kind in each row and each column.
There must be no sequences of three or more cells of the same content.