C11111211113313112113313331333132313331322121111133313331323133313331312121121
>>
C1111121111331311211331333133313231333132212111113331333132313331333131212112
<<
C11111211113313112113313331333132313331322121111133313331323133313331312121123
>>
C11111211113313112113313331333132313331322121111133313331323133313331312121122
>>