C11111333133313232233133313331333133313231312111113331312323131131   >>    C1111133313331323223313331333133313331323131211111333131232313113   <<    C11111333133313232233133313331333133313231312111113331312323131133   >>      C11111333133313232233133313331333133313231312111113331312323131132   >>