C11112331333132311331333133313331333112211231211111133131133112131
>>
C1111233133313231133133313331333133311221123121111113313113311213
<<
C11112331333132311331333133313331333112211231211111133131133112133
>>
C11112331333132311331333133313331333112211231211111133131133112132
>>