C111123313121111121111331333132313331323132322331323223311212111   >>    C11112331312111112111133133313231333132313232233132322331121211   <<    C111123313121111121111331333132313331323132322331323223311212113   >>      C111123313121111121111331333132313331323132322331323223311212112   >>