a+k-001a+k-002a+k-003a+k-004-2a+k-004a+k-005-2a+k-005a+k-006a+k-007a+k-008a+k-009a+k-010a+k-011a+k-012-2a+k-012a+k-013a+k-014a+k-015a+k-016a+k-017