C1111133313331323223313331333133313231333133313331331123232332211
>>
C111113331333132322331333133313331323133313331333133112323233221
<<
C1111133313331323223313331333133313231333133313331331123232332213
>>
C1111133313331323223313331333133313231333133313331331123232332212
>>