B33113313132313113313223313331323133313223313231333131133131113121   >>    B3311331313231311331322331333132313331322331323133313113313111312   <<    B33113313132313113313223313331323133313223313231333131133131113123   >>      B33113313132313113313223313331323133313223313231333131133131113122   >>