C1111233133313231133133313331333131211113313222112323132313231323331111   >>    C111123313331323113313331333133313121111331322211232313231323132333111   <<    C1111233133313231133133313331333131211113313222112323132313231323331113   >>      C1111233133313231133133313331333131211113313222112323132313231323331112   >>