C111123313121111121111331333133313113313112113121111331322331323221323131   >>    C11112331312111112111133133313331311331311211312111133132233132322132313   <<    C111123313121111121111331333133313113313112113121111331322331323221323133   >>      C111123313121111121111331333133313113313112113121111331322331323221323132   >>