C11112331333132311331333133313331333132312323133313112131121131   >>    C1111233133313231133133313331333133313231232313331311213112113   <<    C11112331333132311331333133313331333132312323133313112131121133   >>      C11112331333132311331333133313331333132312323133313112131121132   >>