C111112111133131121133133313331333133313121111133313221333132313231221323231   >>    C11111211113313112113313331333133313331312111113331322133313231323122132323   <<    C111112111133131121133133313331333133313121111133313221333132313231221323233   >>      C111112111133131121133133313331333133313121111133313221333132313231221323232   >>