B33113313132313113313223313331323132322132233132313331323132313221231   >>    B3311331313231311331322331333132313232213223313231333132313231322123   <<    B33113313132313113313223313331323132322132233132313331323132313221233   >>      B33113313132313113313223313331323132322132233132313331323132313221232   >>