C111123313121111121111331333133313331323112113313231333131223321311   >>    C11112331312111112111133133313331333132311211331323133313122332131   <<    C111123313121111121111331333133313331323112113313231333131223321313   >>      C111123313121111121111331333133313331323112113313231333131223321312   >>