B331322121123313232233132112323331323133313223313331333133313231311331313232221   >>    B33132212112331323223313211232333132313331322331333133313331323131133131323222   <<    B331322121123313232233132112323331323133313223313331333133313231311331313232223   >>      B331322121123313232233132112323331323133313223313331333133313231311331313232222   >>