B3311331313231311331322331333132313331323223211113313231333131211111332231   >>    B331133131323131133132233133313231333132322321111331323133313121111133223   <<    B3311331313231311331322331333132313331323223211113313231333131211111332233   >>      B3311331313231311331322331333132313331323223211113313231333131211111332232   >>