C2221333133313331311233132313331333133313331323312111113331323233223311   >>    C222133313331333131123313231333133313331333132331211111333132323322331   <<    C2221333133313331311233132313331333133313331323312111113331323233223313   >>      C2221333133313331311233132313331333133313331323312111113331323233223312   >>