I1231333132333132313133112323132313331323331323233313133313111211   >>    I123133313233313231313311232313231333132333132323331313331311121   <<    I1231333132333132313133112323132313331323331323233313133313111213   >>      I1231333132333132313133112323132313331323331323233313133313111212   >>