C131312213233313231313231323232132313231313232233132333131323331322321   >>    C13131221323331323131323132323213231323131323223313233313132333132232   <<    C131312213233313231313231323232132313231313232233132333131323331322323   >>      C131312213233313231313231323232132313231313232233132333131323331322322   >>