B33113313132313113313223313331323133313221211331333133313331311331323211111121   >>    B3311331313231311331322331333132313331322121133133313331333131133132321111112   <<    B33113313132313113313223313331323133313221211331333133313331311331323211111123   >>      B33113313132313113313223313331323133313221211331333133313331311331323211111122   >>