B33113313132313113313223313331323133313223313231333131133132321123231211   >>    B3311331313231311331322331333132313331322331323133313113313232112323121   <<    B33113313132313113313223313331323133313223313231333131133132321123231213   >>      B33113313132313113313223313331323133313223313231333131133132321123231212   >>