C11112331333132311331333133313331333132233131333131133132333231231   >>    C1111233133313231133133313331333133313223313133313113313233323123   <<    C11112331333132311331333133313331333132233131333131133132333231233   >>      C11112331333132311331333133313331333132233131333131133132333231232   >>