C313212111113331323312111133133313331333133312121111332213231211
>>
C31321211111333132331211113313331333133313331212111133221323121
<<
C313212111113331323312111133133313331333133312121111332213231213
>>
C313212111113331323312111133133313331333133312121111332213231212
>>