I331133132333132233132333131121323132313231333132233132313113313231323222221   >>    I33113313233313223313233313112132313231323133313223313231311331323132322222   <<    I331133132333132233132333131121323132313231333132233132313113313231323222223   >>      I331133132333132233132333131121323132313231333132233132313113313231323222222   >>