B3311331313231311331322331333132313331322331323133313331313231333133313222211   >>    B331133131323131133132233133313231333132233132313331333131323133313331322221   <<    B3311331313231311331322331333132313331322331323133313331313231333133313222213   >>      B3311331313231311331322331333132313331322331323133313331313231333133313222212   >>