C3123121111331312121111331333132313331333133313331333112113313222331   >>    C312312111133131212111133133313231333133313331333133311211331322233   <<    C3123121111331312121111331333132313331333133313331333112113313222333   >>      C3123121111331312121111331333132313331333133313331333112113313222332   >>