C111123313331323113313331323133313331323211232313231323132313221   >>    C11112331333132311331333132313331333132321123231323132313231322   <<    C111123313331323113313331323133313331323211232313231323132313223   >>      C111123313331323113313331323133313331323211232313231323132313222   >>