C222123232321333131133133313331323133313231323213113333213313211   >>    C22212323232133313113313331333132313331323132321311333321331321   <<    C222123232321333131133133313331323133313231323213113333213313213   >>      C222123232321333131133133313331323133313231323213113333213313212   >>