C22212323232133313113313331333132313331323132321111312131333111   >>    C2221232323213331311331333133313231333132313232111131213133311   <<    C22212323232133313113313331333132313331323132321111312131333113   >>      C22212323232133313113313331333132313331323132321111312131333112   >>