C11111333133313232233133313331333132332322121111331333131211233131   >>    C1111133313331323223313331333133313233232212111133133313121123313   <<    C11111333133313232233133313331333132332322121111331333131211233133   >>      C11111333133313232233133313331333132332322121111331333131211233132   >>