C11112331333132311331333133313331333132312323133313231333132233132221   >>    C1111233133313231133133313331333133313231232313331323133313223313222   <<    C11112331333132311331333133313331333132312323133313231333132233132223   >>      C11112331333132311331333133313331333132312323133313231333132233132222   >>