B33113313132313113313223313331323132313331313232233132233131333132313232213331   >>    B3311331313231311331322331333132313231333131323223313223313133313231323221333   <<    B33113313132313113313223313331323132313331313232233132233131333132313232213333   >>      B33113313132313113313223313331323132313331313232233132233131333132313232213332   >>