B3311331313231311331322331333132313331322331323133313331313132313331333211111   >>    B331133131323131133132233133313231333132233132313331333131313231333133321111   <<    B3311331313231311331322331333132313331322331323133313331313132313331333211113   >>      B3311331313231311331322331333132313331322331323133313331313132313331333211112   >>