C222123232321333131133133313331323133313231323133311322121131123211   >>    C22212323232133313113313331333132313331323132313331132212113112321   <<    C222123232321333131133133313331323133313231323133311322121131123213   >>      C222123232321333131133133313331323133313231323133311322121131123212   >>