C222123232321333131133133313331323133313231333133312131323231232213211   >>    C22212323232133313113313331333132313331323133313331213132323123221321   <<    C222123232321333131133133313331323133313231333133312131323231232213213   >>      C222123232321333131133133313331323133313231333133312131323231232213212   >>