C22212323232133313113313331333132313331323132321111312131132233321   >>    C2221232323213331311331333133313231333132313232111131213113223332   <<    C22212323232133313113313331333132313331323132321111312131132233323   >>      C22212323232133313113313331333132313331323132321111312131132233322   >>