B3311331313231311331322331333132313331323223211113313231333131231323231   >>    B331133131323131133132233133313231333132322321111331323133313123132323   <<    B3311331313231311331322331333132313331323223211113313231333131231323233   >>      B3311331313231311331322331333132313331323223211113313231333131231323232   >>