C11112331333132311331333133313331323133313331333133112111111131   >>    C1111233133313231133133313331333132313331333133313311211111113   <<    C11112331333132311331333133313331323133313331333133112111111133   >>      C11112331333132311331333133313331323133313331333133112111111132   >>