C313331311233133313112331333132313331323132322331333132323312121   >>    C31333131123313331311233133313231333132313232233133313232331212   <<    C313331311233133313112331333132313331323132322331333132323312123   >>      C313331311233133313112331333132313331323132322331333132323312122   >>