B3311331313231311331322331333132313331322121133133313331323123123221   >>    B331133131323131133132233133313231333132212113313331333132312312322   <<    B3311331313231311331322331333132313331322121133133313331323123123223   >>      B3311331313231311331322331333132313331322121133133313331323123123222   >>