C222123232321333131133133313331323133313231323133311322322112311   >>    C22212323232133313113313331333132313331323132313331132232211231   <<    C222123232321333131133133313331323133313231323133311322322112313   >>      C222123232321333131133133313331323133313231323133311322322112312   >>