C3311111211233131133132223323132313231323223313232213113313231323211221   >>    C331111121123313113313222332313231323132322331323221311331323132321122   <<    C3311111211233131133132223323132313231323223313232213113313231323211223   >>      C3311111211233131133132223323132313231323223313232213113313231323211222   >>