C222123232321333131133133313331323132313331323132221133233222331   >>    C22212323232133313113313331333132313231333132313222113323322233   <<    C222123232321333131133133313331323132313331323132221133233222333   >>      C222123232321333131133133313331323132313331323132221133233222332   >>