C222123232321333131133133313331323133313231333133312131323232122212111   >>    C22212323232133313113313331333132313331323133313331213132323212221211   <<    C222123232321333131133133313331323133313231333133312131323232122212113   >>      C222123232321333131133133313331323133313231333133312131323232122212112   >>