B3311331313231311331322331333132313231323331333131133132322131321   >>    B331133131323131133132233133313231323132333133313113313232213132   <<    B3311331313231311331322331333132313231323331333131133132322131323   >>      B3311331313231311331322331333132313231323331333131133132322131322   >>