C3311111211233131133132223323132313231323223313232213113313231323133313211   >>    C331111121123313113313222332313231323132322331323221311331323132313331321   <<    C3311111211233131133132223323132313231323223313232213113313231323133313213   >>      C3311111211233131133132223323132313231323223313232213113313231323133313212   >>