C111123313121111121111331333133313331323231333133313331311313331333132313131   >>    C11112331312111112111133133313331333132323133313331333131131333133313231313   <<    C111123313121111121111331333133313331323231333133313331311313331333132313133   >>      C111123313121111121111331333133313331323231333133313331311313331333132313132   >>