C3311111211233131133132223323132313231323223313232313331323221323131221   >>    C331111121123313113313222332313231323132322331323231333132322132313122   <<    C3311111211233131133132223323132313231323223313232313331323221323131223   >>      C3311111211233131133132223323132313231323223313232313331323221323131222   >>