B3311331313231311331322331333132313331322331323133313331331123232322131   >>    B331133131323131133132233133313231333132233132313331333133112323232213   <<    B3311331313231311331322331333132313331322331323133313331331123232322133   >>      B3311331313231311331322331333132313331322331323133313331331123232322132   >>