B33113313132313113313223313331323133313223313231333132322131121231   >>    B3311331313231311331322331333132313331322331323133313232213112123   <<    B33113313132313113313223313331323133313223313231333132322131121233   >>      B33113313132313113313223313331323133313223313231333132322131121232   >>