C11112331333132311331333132313331333133313233121111331123232313231   >>    C1111233133313231133133313231333133313331323312111133112323231323   <<    C11112331333132311331333132313331333133313233121111331123232313233   >>      C11112331333132311331333132313331333133313233121111331123232313232   >>