C11112331312111112111133133313331323132313232233133313222332333131   >>    C1111233131211111211113313331333132313231323223313331322233233313   <<    C11112331312111112111133133313331323132313232233133313222332333133   >>      C11112331312111112111133133313331323132313232233133313222332333132   >>