C111112111133131121133133313331333133313121111133313221333132313231221321   >>    C11111211113313112113313331333133313331312111113331322133313231323122132   <<    C111112111133131121133133313331333133313121111133313221333132313231221323   >>      C111112111133131121133133313331333133313121111133313221333132313231221322   >>