C3123121111331312121111331333132313331333133313221211113313331333112323221   >>    C312312111133131212111133133313231333133313331322121111331333133311232322   <<    C3123121111331312121111331333132313331333133313221211113313331333112323223   >>      C3123121111331312121111331333132313331333133313221211113313331333112323222   >>