C11112331333132311331333133313331333132313233313331331123221221   >>    C1111233133313231133133313331333133313231323331333133112322122   <<    C11112331333132311331333133313331333132313233313331331123221223   >>      C11112331333132311331333133313331333132313233313331331123221222   >>