B33113313132313113313223313331323133313221211331333132323131131   >>    B3311331313231311331322331333132313331322121133133313232313113   <<    B33113313132313113313223313331323133313221211331333132323131133   >>      B33113313132313113313223313331323133313221211331333132323131132   >>