C11112331333132311331333133313331333132312323133313331333133112331323221231   >>    C1111233133313231133133313331333133313231232313331333133313311233132322123   <<    C11112331333132311331333133313331333132312323133313331333133112331323221233   >>      C11112331333132311331333133313331333132312323133313331333133112331323221232   >>