C313212111113331323312111133133313331333131212111133112211232213111
>>
C31321211111333132331211113313331333133313121211113311221123221311
<<
C313212111113331323312111133133313331333131212111133112211232213113
>>
C313212111113331323312111133133313331333131212111133112211232213112
>>