C313212111113331323312111133133313331333133312121111113121111122211
>>
C31321211111333132331211113313331333133313331212111111312111112221
<<
C313212111113331323312111133133313331333133312121111113121111122213
>>
C313212111113331323312111133133313331333133312121111113121111122212
>>