B3311331313231311331322331333132313331323223312113313331333112133311   >>    B331133131323131133132233133313231333132322331211331333133311213331   <<    B3311331313231311331322331333132313331323223312113313331333112133313   >>      B3311331313231311331322331333132313331323223312113313331333112133312   >>