B33113313132313113313223313331323132322331323131333133313232213131   >>    B3311331313231311331322331333132313232233132313133313331323221313   <<    B33113313132313113313223313331323132322331323131333133313232213133   >>      B33113313132313113313223313331323132322331323131333133313232213132   >>