C11112331333132311331333133313331333132233131333131323132212331   >>    C1111233133313231133133313331333133313223313133313132313221233   <<    C11112331333132311331333133313331333132233131333131323132212333   >>      C11112331333132311331333133313331333132233131333131323132212332   >>