B331322121123313232233132112323331323133313223313331333133313231311331313112111   >>    B33132212112331323223313211232333132313331322331333133313331323131133131311211   <<    B331322121123313232233132112323331323133313223313331333133313231311331313112113   >>      B331322121123313232233132112323331323133313223313331333133313231311331313112112   >>