C1111233133313231133133313331323133313113313121111331333112131211   >>    C111123313331323113313331333132313331311331312111133133311213121   <<    C1111233133313231133133313331323133313113313121111331333112131213   >>      C1111233133313231133133313331323133313113313121111331333112131212   >>