C3123121111331312121111331333132313331333133313331123313221132321   >>    C312312111133131212111133133313231333133313331333112331322113232   <<    C3123121111331312121111331333132313331333133313331123313221132323   >>      C3123121111331312121111331333132313331333133313331123313221132322   >>