C222123232321333131133133313331323133313231333133323311322231123221311   >>    C22212323232133313113313331333132313331323133313332331132223112322131   <<    C222123232321333131133133313331323133313231333133323311322231123221313   >>      C222123232321333131133133313331323133313231333133323311322231123221312   >>