Please see pre-printed marked details for respective Mfr. Part. Numbers:

666-2957 - 1SNK140031R0000 - 21 -> 30
666-2976 - 1SNK145011R0000 - 1 -> 100
666-2865 - 1SNK140011R0000 - 1 -> 10
666-2829 - 1SNK140021R0000 - 11 -> 20