C3123121111331312121111331333132313331333133313331331123313113313231323223321   >>    C312312111133131212111133133313231333133313331333133112331311331323132322332   <<    C3123121111331312121111331333132313331333133313331331123313113313231323223323   >>      C3123121111331312121111331333132313331333133313331331123313113313231323223322   >>