B33113313132313113313223313331323132313331313232233131333133313231311213111   >>    B3311331313231311331322331333132313231333131323223313133313331323131121311   <<    B33113313132313113313223313331323132313331313232233131333133313231311213113   >>      B33113313132313113313223313331323132313331313232233131333133313231311213112   >>