Registration

Hint: Thirteen digits no alpha-numeric allowded. e.g: 1234567891213
Hint: Ten digits start with zero. e.g: 02223456789
Hint: 7 digits - 1 digit. e.g: 1234567-8
Hint: 7 digits - 1 digit. e.g: 1234567-8
e.g: 12-12-1234-123-12
Hint: Other person to contact