C11112331333132311331333133313331333132313231123313331322311113311   >>    C1111233133313231133133313331333133313231323112331333132231111331   <<    C11112331333132311331333133313331333132313231123313331322311113313   >>      C11112331333132311331333133313331333132313231123313331322311113312   >>