C222123232321333131133133313331333131133131212233232322132233121   >>    C22212323232133313113313331333133313113313121223323232213223312   <<    C222123232321333131133133313331333131133131212233232322132233123   >>      C222123232321333131133133313331333131133131212233232322132233122   >>