C222123232321333131133133313331323133313231323133311322122221321   >>    C22212323232133313113313331333132313331323132313331132212222132   <<    C222123232321333131133133313331323133313231323133311322122221323   >>      C222123232321333131133133313331323133313231323133311322122221322   >>