C222123232321333131133133313331323133313231323133311322131323211311   >>    C22212323232133313113313331333132313331323132313331132213132321131   <<    C222123232321333131133133313331323133313231323133311322131323211313   >>      C222123232321333131133133313331323133313231323133311322131323211312   >>