C11112331333132311331333133313331323133313332231121111331121132311   >>    C1111233133313231133133313331333132313331333223112111133112113231   <<    C11112331333132311331333133313331323133313332231121111331121132313   >>      C11112331333132311331333133313331323133313332231121111331121132312   >>