C22212323232133313113313331333132313331323132321311333133321311   >>    C2221232323213331311331333133313231333132313232131133313332131   <<    C22212323232133313113313331333132313331323132321311333133321313   >>      C22212323232133313113313331333132313331323132321311333133321312   >>