C222123232321333131133133313331323133313231323133311322322112321   >>    C22212323232133313113313331333132313331323132313331132232211232   <<    C222123232321333131133133313331323133313231323133311322322112323   >>      C222123232321333131133133313331323133313231323133311322322112322   >>