C3311111211233131133132223323132313231323223313232213113313232221   >>    C331111121123313113313222332313231323132322331323221311331323222   <<    C3311111211233131133132223323132313231323223313232213113313232223   >>      C3311111211233131133132223323132313231323223313232213113313232222   >>