B33113313132313113313223313331323133313223313231333133313232211233131121132331   >>    B3311331313231311331322331333132313331322331323133313331323221123313112113233   <<    B33113313132313113313223313331323133313223313231333133313232211233131121132333   >>      B33113313132313113313223313331323133313223313231333133313232211233131121132332   >>