C222123232321333131133133313331323133313112111121113223311212321   >>    C22212323232133313113313331333132313331311211112111322331121232   <<    C222123232321333131133133313331323133313112111121113223311212323   >>      C222123232321333131133133313331323133313112111121113223311212322   >>