B33113313132313113313223313331323133313223313231333133313233313232233131312321   >>    B3311331313231311331322331333132313331322331323133313331323331323223313131232   <<    B33113313132313113313223313331323133313223313231333133313233313232233131312323   >>      B33113313132313113313223313331323133313223313231333133313233313232233131312322   >>