D331212121133131333132322112331323221323223313231323233232111111   >>    D33121212113313133313232211233132322132322331323132323323211111   <<    D331212121133131333132322112331323221323223313231323233232111113   >>      D331212121133131333132322112331323221323223313231323233232111112   >>