C222123232321333131133133313331323133313231323133311322123221121   >>    C22212323232133313113313331333132313331323132313331132212322112   <<    C222123232321333131133133313331323133313231323133311322123221123   >>      C222123232321333131133133313331323133313231323133311322123221122   >>