C11112331312111112111133133313331333133313111321133132313331323232313131   >>    C1111233131211111211113313331333133313331311132113313231333132323231313   <<    C11112331312111112111133133313331333133313111321133132313331323232313133   >>      C11112331312111112111133133313331333133313111321133132313331323232313132   >>