I1231333132333132313133313221323132313331323131123313233313132313221   >>    I123133313233313231313331322132313231333132313112331323331313231322   <<    I1231333132333132313133313221323132313331323131123313233313132313223   >>      I1231333132333132313133313221323132313331323131123313233313132313222   >>