C222123232321333131133133313331323133313231333133312131323211113122221   >>    C22212323232133313113313331333132313331323133313331213132321111312222   <<    C222123232321333131133133313331323133313231333133312131323211113122223   >>      C222123232321333131133133313331323133313231333133312131323211113122222   >>