B hb

B hbB hbB hbB hbB hbB hb
B hbB hbB hbB hbB hbB hb
B hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hbB hb