C11111211113313112113313331333133313331333132313231333133313331323233131   >>    C1111121111331311211331333133313331333133313231323133313331333132323313   <<    C11111211113313112113313331333133313331333132313231333133313331323233133   >>      C11111211113313112113313331333133313331333132313231333133313331323233132   >>