B3311331313231311331322331333132313331322331323133313331323132222331322233331   >>    B331133131323131133132233133313231333132233132313331333132313222233132223333   <<    B3311331313231311331322331333132313331322331323133313331323132222331322233333   >>      B3311331313231311331322331333132313331322331323133313331323132222331322233332   >>