C111123313121111121111331333132313331333133112113313133313331323132323231   >>    C11112331312111112111133133313231333133313311211331313331333132313232323   <<    C111123313121111121111331333132313331333133112113313133313331323132323233   >>      C111123313121111121111331333132313331333133112113313133313331323132323232   >>