C313331311233133313112331333132313331323132322331333132323132313223311   >>    C31333131123313331311233133313231333132313232233133313232313231322331   <<    C313331311233133313112331333132313331323132322331333132323132313223313   >>      C313331311233133313112331333132313331323132322331333132323132313223312   >>