B3311331313231311331322331333132313331323223312113313331333133313113311211211   >>    B331133131323131133132233133313231333132322331211331333133313331311331121121   <<    B3311331313231311331322331333132313331323223312113313331333133313113311211213   >>      B3311331313231311331322331333132313331323223312113313331333133313113311211212   >>