B3311331313231311331322331333132313331322331323133313331333123221211   >>    B331133131323131133132233133313231333132233132313331333133312322121   <<    B3311331313231311331322331333132313331322331323133313331333123221213   >>      B3311331313231311331322331333132313331322331323133313331333123221212   >>