C11111333133313232233133313331333133313321311331323133311233131   >>    C1111133313331323223313331333133313331332131133132313331123313   <<    C11111333133313232233133313331333133313321311331323133311233133   >>      C11111333133313232233133313331333133313321311331323133311233132   >>