B3311331313231311331322331333132333133313231332113313331333132313331322113221   >>    B331133131323131133132233133313233313331323133211331333133313231333132211322   <<    B3311331313231311331322331333132333133313231332113313331333132313331322113223   >>      B3311331313231311331322331333132333133313231332113313331333132313331322113222   >>