I331133132333132233132333131121323132313231333132233132313232221211
>>
I33113313233313223313233313112132313231323133313223313231323222121
<<
I331133132333132233132333131121323132313231333132233132313232221213
>>
I331133132333132233132333131121323132313231333132233132313232221212
>>