C221213331323133112111133133313331322331311331333132313231323232132121   >>    C22121333132313311211113313331333132233131133133313231323132323213212   <<    C221213331323133112111133133313331322331311331333132313231323232132123   >>      C221213331323133112111133133313331322331311331333132313231323232132122   >>