B chair

B chairB chairB chairB chair
B chairB chairB chairB chairB chairB chairB chairB chair
B chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chair
B chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chairB chair
B chairB chairB chairB chairB chairB chairB chairB chair