ufedx5 tfedx sfed rfedx5 qfedx
5oddx 4odd 3oddx5 2oddx 1odd
gycd fycdx5 eycdx dycd cycdx5
r7bdx5 q7bdx p7bd o7bdx5 n7bdx
2gbdx 1gbd 0gbdx5 zgbdx ygbd