I331133132333132233132333131121323132313231333132233132322221121
>>
I33113313233313223313233313112132313231323133313223313232222112
<<
I331133132333132233132333131121323132313231333132233132322221123
>>
I331133132333132233132333131121323132313231333132233132322221122
>>