C313212111113331323312111133133313331333133312121111113313133221
>>
C31321211111333132331211113313331333133313331212111111331313322
<<
C313212111113331323312111133133313331333133312121111113313133223
>>
C313212111113331323312111133133313331333133312121111113313133222
>>