C1111133313331323223313331333133313331323131232313231323131211233131   >>    C111113331333132322331333133313331333132313123231323132313121123313   <<    C1111133313331323223313331333133313331323131232313231323131211233133   >>      C1111133313331323223313331333133313331323131232313231323131211233132   >>