C111123313121111121111331333132313331323132321133132313331333131133232321   >>    C11112331312111112111133133313231333132313232113313231333133313113323232   <<    C111123313121111121111331333132313331323132321133132313331333131133232323   >>      C111123313121111121111331333132313331323132321133132313331333131133232322   >>