C313212111133131211331333133313331333132313123312111113331333132332233312111211
>>
C31321211113313121133133313331333133313231312331211111333133313233223331211121
<<
C313212111133131211331333133313331333132313123312111113331333132332233312111213
>>
C313212111133131211331333133313331333132313123312111113331333132332233312111212
>>