B33113313132313113313223313331323132313233313331312111133132322131323221231   >>    B3311331313231311331322331333132313231323331333131211113313232213132322123   <<    B33113313132313113313223313331323132313233313331312111133132322131323221233   >>      B33113313132313113313223313331323132313233313331312111133132322131323221232   >>