C11112331333132311331333132333132313231323132311331323331323112321   >>    C1111233133313231133133313233313231323132313231133132333132311232   <<    C11112331333132311331333132333132313231323132311331323331323112323   >>      C11112331333132311331333132333132313231323132311331323331323112322   >>