I1231333132333132313133313221323132313331323131123313233313233112321   >>    I123133313233313231313331322132313231333132313112331323331323311232   <<    I1231333132333132313133313221323132313331323131123313233313233112323   >>      I1231333132333132313133313221323132313331323131123313233313233112322   >>