I331133132333132233132333131121323132313231333132233132313232213311   >>    I33113313233313223313233313112132313231323133313223313231323221331   <<    I331133132333132233132333131121323132313231333132233132313232213313   >>      I331133132333132233132333131121323132313231333132233132313232213312   >>