C222123232321333131133133313331323133313231323133311322321311212233231   >>    C22212323232133313113313331333132313331323132313331132232131121223323   <<    C222123232321333131133133313331323133313231323133311322321311212233233   >>      C222123232321333131133133313331323133313231323133311322321311212233232   >>