D331212121133131333131323223313232213233313232211211331323132322121121   >>    D33121212113313133313132322331323221323331323221121133132313232212112   <<    D331212121133131333131323223313232213233313232211211331323132322121123   >>      D331212121133131333131323223313232213233313232211211331323132322121122   >>