C313212111113331323312111133133313331333133312121111133112112321
>>
C31321211111333132331211113313331333133313331212111113311211232
<<
C313212111113331323312111133133313331333133312121111133112112323
>>
C313212111113331323312111133133313331333133312121111133112112322
>>