B3311331313231311331322331333132313331322331323133313311211111333132331332321   >>    B331133131323131133132233133313231333132233132313331331121111133313233133232   <<    B3311331313231311331322331333132313331322331323133313311211111333132331332323   >>      B3311331313231311331322331333132313331322331323133313311211111333132331332322   >>