B3311331313231311331322331333132313331322331323133313331323223311111121   >>    B331133131323131133132233133313231333132233132313331333132322331111112   <<    B3311331313231311331322331333132313331322331323133313331323223311111123   >>      B3311331313231311331322331333132313331322331323133313331323223311111122   >>