C1111133313331323223313331333133313231333132332131333133313121111121211121
>>
C111113331333132322331333133313331323133313233213133313331312111112121112
<<
C1111133313331323223313331333133313231333132332131333133313121111121211123
>>
C1111133313331323223313331333133313231333132332131333133313121111121211122
>>