C222123232321333131133133313331323133313231323133311322131213121121   >>    C22212323232133313113313331333132313331323132313331132213121312112   <<    C222123232321333131133133313331323133313231323133311322131213121123   >>      C222123232321333131133133313331323133313231323133311322131213121122   >>