C222123232321333131133133313331323133313231333133312131323211313221   >>    C22212323232133313113313331333132313331323133313331213132321131322   <<    C222123232321333131133133313331323133313231333133312131323211313223   >>      C222123232321333131133133313331323133313231333133312131323211313222   >>