B3311331313231311331322331333132313331322121133133313331323222313131   >>    B331133131323131133132233133313231333132212113313331333132322231313   <<    B3311331313231311331322331333132313331322121133133313331323222313133   >>      B3311331313231311331322331333132313331322121133133313331323222313132   >>