D331212121133131333132322112331323221323223313231323233232213131   >>    D33121212113313133313232211233132322132322331323132323323221313   <<    D331212121133131333132322112331323221323223313231323233232213133   >>      D331212121133131333132322112331323221323223313231323233232213132   >>