C222123232321333131133133313331323133313231333133312131323222122231321   >>    C22212323232133313113313331333132313331323133313331213132322212223132   <<    C222123232321333131133133313331323133313231333133312131323222122231323   >>      C222123232321333131133133313331323133313231333133312131323222122231322   >>