B33113313132313113313223313331323133313223313231333133313232212111113222323331   >>    B3311331313231311331322331333132313331322331323133313331323221211111322232333   <<    B33113313132313113313223313331323133313223313231333133313232212111113222323333   >>      B33113313132313113313223313331323133313223313231333133313232212111113222323332   >>