B3311331313231311331322331333132313331322331323133313331333222223331   >>    B331133131323131133132233133313231333132233132313331333133322222333   <<    B3311331313231311331322331333132313331322331323133313331333222223333   >>      B3311331313231311331322331333132313331322331323133313331333222223332   >>